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Editors' Review · June 12, 2023

UltraDefrag is a powerful disk defragmentation tool for Windows. It is the first open source defragmenter with full support of system locked files defragmentation. Actually all files including registry hives and paging file can be processed by UltraDefrag during the Windows boot process.

  • Boot Time Defragmentation:This feature provides an ability to defragment any system files. Including page file, registry hives, hiberfil.sys file and many other files locked by the system or other applications when windows is fully running.
  • Fast Disk Optimization:The optimizer rearranges all data and places them to the beginning of the drive. In many instances we have found, that the system is more stable and performs a lot better under load, if data is placed at the beginning of the drive.
  • Single File and Folder Defragmentation:After UltraDefrag is installed you have the ability to select any file or folder and deframent it. This option is mostly useful, if you have recently installed an application or a game and would like to have it defragmented immediately for maximum performance.

This is the 32-bit version.

Enlarged image for UltraDefrag 32-bit
UltraDefrag 32-bit 0/3

Technical

Title
UltraDefrag 32-bit 6.0.0 for Windows
Requirements
  • Windows XP
  • Windows 2003
  • Windows NT
  • Windows Vista
  • Windows 7
  • Windows 8
  • Windows 2000
Language
English
Available languages
  • Czech
  • German
  • Greek
  • English
  • Spanish
  • French
  • Italian
  • Japanese
  • Korean
  • Dutch
  • Polish
  • Portuguese
  • Russian
  • Chinese
License
Free
Latest update
Author
Ultradefrag
SHA-1
6b411aea443bce2733103d9d106e42a168add27a
Filename
ultradefrag-6.1.0.bin.i386.exe

Program available in other languages

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.

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