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AfterDawn > Software downloads > System tools > Defragmentation > Ultra Defrag (64bit) > Version history

Version history for Ultra Defrag (64bit)

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Changes for v7.0.2 - v7.1.0

  • - the repeat action option was retired, now all the disk
  • processing algorithms decide themselves whether it's worth to run one more pass or not
  • - compatibility with Windows 8.1 and Windows 10 was improved
  • - cluster map was adjusted to always fit perfectly into the main frame
  • - file fragmentation reports appearance was improved
  • - options.lua file was moved to conf subfolder to fix configuration tracking bugs (#222 and #225)
  • - explorer's context menu entries were fixed to never show up for special objects like recycle bin and control panel
  • - file fragmentation reports were fixed to take daylight saving time settings into account
  • - a lot of minor bugs were fixed
  • - documentation was expanded
  • - the following translations were updated:
  • Chinese (China), English (United Kingdom), Estonian, French,
  • Galician, German, Iloko, Italian, Japanese, Lithuanian, Polish, Portuguese, Portuguese (Brazil), Spanish, Spanish (Argentina), Spanish (Mexico), Swedish
  • - website was moved from http://ultradefrag.sourceforge.net/ to https://ultradefrag.net/ for the sake of performance - now it works approximately 10 times faster
  • - Internals: compilation was optimized for speed


Changes for v7.0.0 beta 2 - v7.0.0 beta 6

  • beta6:
  • - few major bugs affecting thread safety were fixed
  • beta5:
  • - wxWidgets were upgraded to the latest stable 3.0.2 release
  • - a lot of minor bugs were fixed
  • - Finnish translation was updated
  • - NOTE: the language selection got broken, because wxWidgets 3.0.2
  • uses different language identifiers; just click Settings > Language
  • and select yours once again to fix that
  • beta4:
  • - safer options were used for compilation
  • - Slovak translation was updated
  • - one minor bug was fixed
  • beta3:
  • - crash handling was reimplemented to gather more information
  • - few minor bugs were fixed
  • - Portuguese (Brazil) translation was updated


Changes for v7.0.0 beta 1 - v7.0.0 beta 2

  • the following translations were updated:
  • Catalan, Chinese (China), Chinese (Taiwan), Czech, Danish, Dutch,
  • English (United Kingdom), French, Georgian, German, Greek, Hungarian,
  • Iloko, Indonesian, Italian, Japanese, Korean, Lithuanian, Persian,
  • Polish, Portuguese, Portuguese (Brazil), Russian, Spanish, Spanish (Mexico),
  • Swedish, Thai, Turkish, Ukrainian, Vietnamese


Changes for v6.0.2 - v7.0.0 beta 1

  • GUI and command line tool reimplemented on top of wxWidgets library
  • online translation migrated from http://ultradefrag.wikispaces.com/ to http://www.transifex.com/projects/p/ultradefrag/
  • initial language selection is now done by the GUI instead of the installer
  • ability to hide drives list columns through their resizing added
  • ability to apply for all or only stable update notifications added
  • multicolumn language selection menu implemented
  • internal GUI settings moved from guiopts-internals.lua to gui.ini file
  • Windows NT 4.0 and Windows 2000 support dropped due to poor API support
  • useless font selection dialog removed from GUI (adjust Windows theme instead)
  • scale_by_dpi GUI parameter removed, as well as disable_latest_version_check and restore_default_window_size parameters (examine guiopts.lua file for details)
  • Internals: Windows Driver Kit support dropped because of its unreliable development environment - use Windows SDK v7.1 instead
  • winx_vswprintf and winx_swprintf routines added to zenwinx library
  • wgx library replaced by wxWidgets library


Changes for v6.0.4 - v6.1.0

  • - documentation was cleaned up
  • - configuration files were superseded by a single options.lua file
  • - few minor bugs were fixed


Changes for v6.0.3 - v6.0.4

  • - fixed a bug preventing configuration files creation on Windows 7


Changes for v6.0.2 - v6.0.3

  • - corrected a problem where the Windows folder was not detected properly if the terminal services were activated
  • - online translation support discontinued due to migration to transifex
  • - the following translations were updated:
  • Filipino (Tagalog), Galician, German, Thai, Ukrainian


Changes for v6.0.1 - v6.0.2

  • - the FAQ section of the handbook now contains information about how to set up v6 to optimize similarly to v5
  • - the Explorer context menu is now reduced to a single entry with sub-menu on Windows 7 and above
  • - the following translations were updated:
  • Albanian, Danish, Filipino (Tagalog), Indonesian (Bahasa Indonesia), Javanese, Polish, Portuguese (BR)


Changes for v6.0.0 - v6.0.1

  • Installer no longer warns about Windows 8 being untested
  • shortened the delay after hitting the finish button of the installer
  • increased Windows 8 compatibility
  • the following translations were added: Armenian
  • the following translations were updated:
  • Chinese (Traditional), Filipino (Tagalog), Italian, Portuguese, Spanish (AR), Ukrainian, Vietnamese


Changes for v6.0.0 RC 3 - v6.0.0

  • - the following translations were updated:
  • Chinese (Traditional)


Changes for v6.0.0 RC 2 - v6.0.0 RC 3

  • - fixed bug #175 "End of stage shows completion at 0.0%"
  • - log creation in case of out of memory condition added
  • - performance of analysis for fragmented files count above 30000 was
  • improved dramatically
  • - the following translations were updated:
  • Chinese (Traditional), Dutch, Iloko, Italian, Russian, Spanish (ES),
  • Spanish (MEX)


Changes for v6.0.0 RC 1 - v6.0.0 RC 2

  • - upgrade check now better supports development releases
  • - out of memory condition handling added


Changes for v6.0.0 Beta 2 - v6.0.0 RC 1

  • We have added more menu items so the translations need to be updated.
  • The translation changes are outlined in the change log.
  • The current progress can be found in the translation report.
  • Thank you in advance for your continuous support with the translations.
  • All disk processing algorithms were optimized for speed and efficiency.
  • Support to optimize FAT disks was added.
  • The ability to specify the file sorting order and criteria was added for optimization.
  • Additional filters for fragment and file size were added.
  • Optimization now makes use of all specified filters.
  • The ability to minimize the window to the system tray was added.
  • The ability to display the progress on the task bar icon was added for Windows 7® and above.
  • File fragmentation reports are now no longer stored in the root folder of the drive, but in a sub-folder of the installation folder, so they are no longer left behind after removing UltraDefrag.
  • The Explorer context menu handler is now configurable too.


Changes for v6.0.0 Beta 1 - v6.0.0 Beta 2

  • - added progress indication to the taskbar button for Windows 7
  • and more recent Windows editions; it can be turned on/off by
  • show_progress_in_taskbar GUI option
  • - file fragmentation reports moved from the root directories of
  • the drives to the /reports sub-folder of the program's directory
  • - added ability to configure the Explorer's context menu handler;
  • an appropriate section added to guiopts.lua file
  • - bug fix: UD_IN_FILTER forced to be not ignored when individual
  • files/directories are specified on the command line
  • - bug fix: UD_SORTING and UD_SORTING_ORDER environment variables
  • forced to be set properly on GUI startup according to the Preview
  • menu selections
  • - added prefixes for all the debugging messages for easier analysis of logs
  • - Internals: many prototypes changed in zenwinx, udefrag, wgx libraries;
  • obsolete routines removed
  • - winx_bootex_check routine added to zenwinx library
  • - udefrag_init_library, udefrag_unload_library, udefrag_bootex_check,
  • udefrag_bootex_register, udefrag_bootex_unregister routines added
  • - WgxSetTaskbarProgressState, WgxSetTaskbarProgressValue, wgx_sprintf,
  • wgx_vsprintf, wgx_swprintf, wgx_vswprintf routines added to wgx library
  • - tracing macros for easier debugging added to zenwinx.h and wgx.h files
  • - Windows Server 2003 DDK support dropped because of lack of variadic macros
  • support there - use Windows Driver Kit v7.1.0 instead
  • - the following translations were updated:
  • Catalan


Changes for v5.1.1 - v6.0.0 Beta 1

  • all the disk processing algorithms were reimplemented to reach better efficiency and shorter processing times
  • FAT optimization was implemented
  • ability to sort files on the disk by the disk optimization was added; files can be sorted by path, size, creation time, last modification time, last access time - in eighter ascending or descending order
  • ability to filter out files by size of their fragments was added (fragment_size_threshold option in GUI; UD_FRAGMENT_SIZE_THRESHOLD environment variable in command line tool and boot time interface)
  • ability to tune the disk optimization by UD_OPTIMIZER_FILE_SIZE_THRESHOLD environment variable (optimizer_file_size_threshold GUI option) was added
  • ability to suspend/resume the running job was added to GUI
  • ability to minimize the program to the taskbar notification area (system tray) was added; it can be turned on/off by minimize_to_system_tray GUI option
  • MFT optimization was forced to do nothing silently on non-NTFS disks
  • quite useless cyan color removed from the cluster map
  • icons were redesigned to reach better appearance on Windows Vista and above
  • high DPI screens support was improved
  • Internals: flags field removed from winx_file_disposition structure
  • many zenwinx prototypes changed by replacing short keyword by wchar_t
  • useless fat32_xxx fields removed from winx_volume_information structure
  • device_capacity field added to winx_volume_information structure
  • WgxShowWindow and WgxHideWindow definitions added to wgx.h file
  • WgxSetProcessPriority routine added to wgx library
  • Windows Server 2003 DDK needs to be patched in order to compile the program; look at rsc/compilation.dox for details


Changes for v5.1.1 - v5.1.2

  • The problem with USB keyboard detection at boot time was fixed.
  • Now the ten seconds initialization delay will be triggered in any case, if the keyboard is initialized one has the ability to skip the delay immediately.
  • The installer now notifies the user about UltraDefrag being not yet tested on anything newer than Windows 7.
  • We encourage users to take a look at the feature request tracker and vote for their preferred feature.


Changes for v5.1.0 - v5.1.1

  • - it is now supported to install over an existing portable package
  • - a problem with launching the cluster map legend from the help menu, if the path to the HTML file contained spaces, is fixed
  • - the following translations were updated:
  • Czech, Greek, Hungarian, Iloko, Javanese, Latvian, Tamil


Changes for v5.0.7 - v5.1.0

  • added fragmentation level display to all the interfaces
  • added ability to skip the disk processing when fragmentation level is below a specified one (fragmentation_threshold option in GUI; UD_FRAGMENTATION_THRESHOLD environment variable in command line tool and boot time interface)
  • added settings for file pattern groups to easier exclude or include groups of files (fixes issue #3449331)
  • bug fix: GUI forced to handle any setting changes reliably
  • bug fix: filters forced to be case insensitive for all the characters (they worked properly for ANSI characters only)
  • added ability to specify the installation folder
  • added log file creation to debug silent installations
  • the following translations were added:
  • Malay
  • the following translations were updated:
  • Albanian, Arabic, English (GB), French, Indonesian, Italian, Polish, Spanish (ES), Spanish (MEX)
  • Internals: creation_time, last_modification_time, last_access_time members added to the winx_file_info structure
  • bug fix: winx_wcsistr, winx_wcsmatch, winx_patfind, winx_patcmp routines forced to work properly for all the characters (they worked well for ASCII characters only)
  • bug fix: winx_hr_to_bytes routine forced to convert numbers with leading zeros after the decimal point properly
  • winx_toupper, winx_tolower, winx_wcsistr, winx_stristr, winx_wcsmatch, winx_patfind, winx_patcmp routines optimized for speed
  • winx_towupper, winx_towlower, winx_wcsupr, winx_wcslwr, winx_wcsicmp routines added to zenwinx library to be used instead of the fake Windows routines working properly for ASCII characters only
  • udefrag_towupper, udefrag_towlower, udefrag_wcsupr, udefrag_wcslwr, udefrag_wcsicmp routines added to udefrag library for the same reasons as mentioned above
  • os.setenv, os.getenv Lua routines reimplemented for better reliability


Changes for v5.0.4 - v5.0.7

  • Compatibility with some boot loaders and disk encryption software added, see Change Log for the full list.
  • Crash handling was added to GUI interface, so crash information can be easily submitted.
  • The progress indicator should now never exceed 100% in any case.
  • It is now possible to change the background (free-space) color of the cluster map to support dark themes.
  • The following translations were added:
  • Litauisch, Albanisch
  • The following translations were updated:
  • Vietnamese, Polish, Iloko, Portuguese (BR), Norwegian, Slovak, Chinese (Simplified), Chinese (Traditional), Spanish (MEX), Wáray-Wáray, Japanese, Spanish (AR)


Changes for v5.0.3 - v5.0.4

  • Dirty drives needing CHKDSK repair are now displayed and marked in the drives list.
  • A taskbar icon overlay indicating that a job is running was added for Windows 7 and more recent Windows editions; it can be turned on/off by the show_taskbar_icon_overlay GUI option.
  • If you turned off to automatically check for updates, you can now manually check for updates through a menu item.
  • Internationalization support was added to the file fragmentation reports; we kindly request to update the translations.


Changes for v5.0.1 - v5.0.3

  • The GUI report options produce_html_report and produce_plain_text_report were added to the udreportopts.lua file; now the program generates text reports only when they are enabled explicitly.
  • A problem preventing language selection saving on installation was fixed.
  • Optional menu icons were added for Vista and more recent Windows editions; they can be enabled/disabled through the show_menu_icons GUI option.
  • A problem with the GUI cluster map drawing routine was fixed.
  • Some problems with the disk optimization algorithm were fixed.
  • Environment variables expansion support was added to the boot time shell.
  • The translation Wáray-Wáray has been added. Thanks to the translator.


Changes for v5.0.0 RC1 - v5.0.1

  • A problem where the MFT optimization aborted early was fixed.
  • A problem where the boot time interface would hang under certain conditions was fixed.
  • Additional information was added to the tips, GUI and FAQ sections of the documentation


Changes for v5.0.0 Beta 3 - v5.0.0 RC1

  • This release candidate includes all the new features of the initial v5.0.0 release.
  • GUI:
  • The drive list hight can now be adjusted by dragging the bottom border of it.
  • Progress is now displayed in the status column of the drive list.
  • The drive label is now displayed in the drive list. Please check if all localized labels are displayed correctly.
  • There are now more actions available to be executed when UltraDefrag terminates.
  • The cluster map now displays unused map blocks in gray, so they can not be confused with free space.
  • Command line interface:
  • It is now possible to specify paths as arguments, which has fixed a problem with the Explorer context menu handler on Vista and above.
  • Driver:
  • Defragmentation of regular files and volume metafiles was improved.
  • Full optimization has been improved, which processes all files despite of fragmentation.
  • Quick optimization has been added, which mainly processes fragmented files.
  • MFT optimization has been added, which only processes the MFT.
  • Creation of a log file by setting an environment variable is now possible, which highly simplifies reporting problems.
  • Reports:
  • The file size, file status and report creation date and time were added to the fragmentation reports.
  • Installer:
  • All selections can now be done through command line parameters too.
  • For further information about the switches see the handbook.


Changes for v5.0.0 Beta 2 - v5.0.0 Beta 3

  • volume optimization reimplemented
  • quick volume optimization implemented
  • the cluster map now indicates unused map blocks with gray color
  • one bug preventing a proper redraw of defragmented files was fixed
  • few bugs causing infinite loops in defragmentation algorithm were fixed
  • one bug preventing MFT defragmentation was fixed
  • one bug preventing reports containing Asian characters in file names from being built was fixed
  • one bug preventing defragmentation in some cases on Windows NT 4.0 and Windows 2000 was fixed
  • the documentation was updated to include better information about taking screen-shots and creating support packages on the bug reports page
  • tree-view to select chapters was added to documentation and the default doxygen color theme is now used
  • the following translations were added: English (GB), Iloko
  • the following translations were updated: Korean, Turkish, Slovak, English (US), Hindi, Romanian, Filipino (Tagalog), Catalan, Spanish (ES), Greek, Chinese (Simplified), Polish, Swedish, Italian, Finnish, Chinese (Traditional), German, Hungarian, Danish
  • hexview command added to the boot time shell
  • Developers: udefrag_start_job prototype changed by adding algorithm preview flags


Changes for v4.4.0 - v5.0.0 Beta 2

  • This preview release includes the new GUI design and the new log file creation feature. Analysis and defragmentation are implemented, but optimization is still being worked on.
  • GUI:
  • The volume list hight can now be adjusted by dragging the bottom border of it.
  • Progress is now displayed in the status column of the volume list.
  • The volume label is now displayed in the volume list. Please check if all localized labels are displayed correctly.
  • There are now more actions available to be executed when UltraDefrag terminates.
  • Command line interface:
  • It is now possible to specify paths as arguments, which has fixed a problem with the Explorer context menu handler on Vista and above.
  • Driver:
  • Defragmentation of regular files and volume metafiles was improved.
  • Creation of a log file by setting an environment variable is now possible, which highly simplifies reporting problems.
  • Reports:
  • The file size, file status and report creation date and time were added to the fragmentation reports.
  • Comments and suggestions about the new design are much appreciated!


Changes for v4.4.0 RC 1 - v4.4.0

  • history of typed commands added to the boot time interactive mode; navigation is possible by arrow keys, 'history' command can be used to list all typed commands
  • call, man and type commands added to the boot time shell
  • echo, exit, pause and set commands of the boot time shell improved
  • clearing of the failed boot flag added for reboot and shutdown at boot time
  • pending boot-off boot time script command support added, this removes the limitation of boot-on/off not working before reboot/shutdown
  • interactive mode at boot time now displays help split into pages
  • escape key handling added to break the boot time script execution
  • boot time commands parsing was rewritten to increase reliability and flexibility of the boot time shell
  • corrected cluttered progress display if console output was redirected
  • optimized timeout for waiting for a keyboard event in boot time interface
  • the following translations were updated: Portuguese, Chinese (Traditional)
  • FAT formatted volumes are displayed in GUI now as FAT12/FAT16/FAT32 instead of less informative FAT/FAT32
  • winx_heap_alloc replaced by winx_heap_alloc_ex to allow specifying flags
  • winx_heap_alloc_zero added to allow allocating memory initialized with zero
  • winx_ftw, winx_scan_disk, winx_fsize, winx_kb_read, winx_xtime, winx_prompt_ex, winx_get_file_contents, winx_release_file_contents, winx_wcsistr, winx_print_array_of_strings, winx_get_volume_information, calls were added to zenwinx library
  • winx_fbopen call added to zenwinx library for buffered file i/o support
  • obsolete winx_get_volume_size and winx_get_filesystem_name calls were removed from zenwinx library; use more common winx_get_volume_information instead
  • one little bug in winx_kbhit, winx_breakhit functions was fixed
  • udefrag_get_vollist and udefrag_release_vollist calls were added to udefrag library; an obsolete udefrag_get_avail_volumes was removed


Changes for v4.3.0 - v4.4.0 RC 1

  • GUI:
  • Progress is now added to the GUI window caption, so it is displayed in the tooltip of the taskbar icon.
  • Cryptic single character progress label was replaced by the localized operation names.
  • Driver:
  • Partial defragmentation was added to decrease the number of fragments even when there is no free space on disk to concatenate all fragments of the file.
  • Volume optimization algorithm was improved to prevent useless additional optimization passes.
  • One little bug preventing optimization from being stopped was fixed.
  • Volume optimization algorithm was improved to prevent skipping heavily fragmented parts of the volume.
  • Boot time interface:
  • 10 seconds delay is skiped on boot time scan, if only one keyboard is present.
  • Translations:
  • Added language selector to the GUI package.
  • Hindi translation was added.
  • The following translations were updated:
  • Croatian, Danish, Dutch, French, Greek, Polish, Russian, Serbian, Swedish, Turkish


Changes for v4.2.0 - v4.3.0

  • GUI:
  • The ability to resize the main window has been added.
  • Text and controls are now scaled to the current DPI settings of the screen.
  • Cluster map customization is possible now through guiopts.lua configuration file editing.
  • Update check was added.
  • Driver:
  • One little bug preventing the root directory from being defragmented fixed.
  • Few bugs preventing the correct MFT displaying were fixed.
  • Driver was improved to better distinguish between free space and MFT zone.
  • One little bug preventing displaying system files in green color on NTFS volumes was fixed.
  • Boot time interface:
  • Progress indication was improved.
  • Backspace and escape keys handling added to the interactive mode.
  • Few bugs were fixed.
  • Command line tool:
  • --wait option was added to make scheduled defragmentation more flexible.
  • --use-entire-window option was added.
  • Scheduler:
  • UltraDefrag Scheduler has been retired as a component less functional than standard Windows Task Scheduler; visit http://ultradefrag.wikispaces.com/ for tutorials on scheduling disk defragmentation tasks through Windows Task Scheduler.
  • Translations:
  • The following translations were updated: Czech, Finnish, Japanese, Spanish (AR), Portuguese (BR), Korean, Hungarian.


Changes for v4.3.0 RC 2 - v4.3.0 RC 3

  • Driver was improved to better distinguish between free space and MFT zone.


Changes for v4.3.0 RC 1 - v4.3.0 RC 2

  • Few bugs were fixed.
  • --use-entire-window option was added to the command line interface.


Changes for v4.2.0 - v4.3.0 RC 1

  • UltraDefrag Scheduler has been retired as a component less functional than standard Windows Task Scheduler; visit UltraDefrag.WikiSpaces.com for tutorials on scheduling disk defragmentation tasks through Windows Task Scheduler
  • more reliable monolithic boot time defragmenter was made.
  • few bugs preventing the correct MFT displaying were fixed in driver.
  • --wait option was added to the command line interface to make scheduled defragmentation more flexible.
  • GUI cluster map was reworked to be customizable to give better feedback of the current drive usage.


Changes for v4.1.0 - v4.2.0

  • multiple drives selection feature was added to GUI and Scheduler
  • progress indication was improved to be more detailed and smooth
  • defragmentation and optimization speedup was performed
  • --all, --all-fixed command line switches added to the console interface and to the boot time defragmenter - boot time interface initialization speedup was performed
  • boot time interface interactive mode commands set changed to be the same as in scripting mode
  • HTML reports encoding was changed to UTF-8, which renders nicely in all popular web browsers including Internet Explorer
  • plain text reports were improved to be more readable
  • the following translations were updated: Dutch, Swedish, Japanese, Polish
  • a bug preventing true Unicode paths from being displayed in file fragmentation reports was fixed
  • shutdown confirmation dialogs were added to GUI
  • one additional check preventing the boot time defragmenter from running in Windows Safe Mode was added
  • one little bug causing a wrong progress bar appearance on Windows XP default theme was fixed


Changes for v4.2.0 RC 4 - v4.2.0 RC 5

  • Multiple drives selection feature was added to GUI and Scheduler.
  • Progress indication was improved to be more detailed and smooth.
  • Defragmentation and optimization speedup was performed.
  • --all, --all-fixed command line switches added to the console interface and to the boot time defragmenter.
  • Boot time interface initialization speedup was performed.
  • Boot time interface interactive mode commands set changed to be the same as in scripting mode.
  • HTML reports encoding was changed to UTF-8, which renders nicely in all popular web browsers including Internet Explorer.
  • Plain text reports were improved to be more readable.
  • The following translations were updated: Dutch, Swedish, Japanese, Polish.
  • A bug preventing true Unicode paths from being displayed in file fragmentation reports was fixed.
  • Shutdown confirmation dialogs were added to GUI. Please visit UltraDefrag.WikiSpaces.com and update the translations.
  • One additional check preventing the boot time defragmenter from running in Windows Safe Mode was added.
  • One little bug causing a wrong progress bar appearance on Windows XP default theme was fixed.


Changes for v4.1.0 - v4.2.0 RC 4

  • multiple drives selection feature was added to GUI
  • progress indication was improved to be more detailed and smooth
  • defragmentation and optimization speedup was performed
  • --all, --all-fixed command line keys added to the console interface and to the boot time defragmenter
  • boot time interface initialization speedup was performed
  • boot time interface interactive mode commands set changed to be the same as in scripting mode
  • HTML reports encoding was changed to UTF-8 which renders nicely in all popular web browsers including Internet Explorer
  • plain text reports were improved to be more readable
  • the following translations were updated: Dutch, Swedish
  • a bug preventing true Unicode paths from being displayed in file fragmentation reports was fixed
  • one little bug causing a wrong progress bar appearance on Windows XP default theme was fixed


Changes for v4.1.0 - v4.2.0 RC 3

  • multiple drives selection feature was added to GUI
  • progress indication was improved to be more detailed and smooth
  • defragmentation and optimization speedup performed
  • --all, --all-fixed command line keys added to the console interface and to the boot time defragmenter
  • boot time interface interactive mode commands set changed to be the same as in scripting mode
  • the following translations were updated: Dutch, Swedish
  • one little bug causing a wrong progress bar appearance on Windows XP default theme was fixed


Changes for v4.0.0 - v4.1.0

  • few bugs in driver were fixed
  • a huge analysis speedup performed
  • one bug in GUI (#2964309) was fixed
  • one little bug preventing the Scheduler running on Windows 2000 was fixed
  • volume status messages were improved in UltraDefrag GUI
  • the report saving speedup was performed
  • the following translations were added:
  • Belarusian, Bulgarian, Croatian, Filipino (Tagalog), Finnish, Icelandic, Macedonian, Norwegian, Romanian, Serbian, Ukrainian, Yiddish
  • the following translations were updated:
  • Catalan, Chinese(Simplified), Chinese(Traditional), Czech, Danish, Dutch, Farsi, French(FR), German, Greek, Hungarian, Italian, Japanese, Korean, Latvian, Polish, Portuguese(BR), Portuguese, Russian, Slovak, Slovenian, Spanish(AR), Swedish, Thai, Turkish
  • /LANG command line option was added to the installe


Changes for v3.2.1 - v4.0.0

  • a lot of extremely important bugs were fixed
  • the strongest error handling was added to all program modules
  • program is available again for all 64-bit targets
  • documentation was rewritten to be much clearer
  • kernel mode driver was removed as a component less reliable by definition
  • translations submitting is available again through http://ultradefrag.wikispaces.com/
  • USB keyboards support at Windows boot time was added
  • all important program sources were well documented


Changes for v3.1.0 - v3.2.1

  • shutdown after a job feature was added to GUI
  • hibernate after a job feature was added to GUI
  • `boot-on` and `boot-off` commands were added to boot time defragger
  • Scheduler has been translated into Spanish (AR) language
  • Hibernate command line tool was added
  • few bugs were fixed
  • Ultra Fast NTFS scanning feature was added, NTFS analysis becomes approximately 25 times faster now
  • defragmentaion of additional streams attached to NTFS files was added
  • information about trash (temporary files) excluded from reports, statistics and cluster map; these files are completely ignored now
  • a lot of new options were added to the console program
  • the \??\ sequence removed from file names in reports
  • Thai translation was made
  • some important parts of handbook were completely rewritten
  • Scheduler was rewritten in C language; NET framework is not required now!
  • ability to translate Scheduler into foreign languages was added
  • GUI options were moved from udefrag-gui.cmd script to easy to understand guiopts.lua file
  • debugging information will not be saved on disk since this version of the program; read carefully an appropriate chapter of program's handbook for detailed instructions about kernel mode driver debugging instead
  • few fatal driver bugs were fixed
  • driver's reliability was increased
  • now UltraDefrag requires less software for its development
  • FOR PROGRAMMERS: build configurator was rewritten in Lua
  • NOTE FOR PROGRAMMERS: to successfully recompile the driver run configure.pl script and click 'Apply patch to MinGW' button once again


Changes for v3.0.0 - v3.1.0

  • this is the first really stable release
  • graphical ...


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