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Ultradefrag 4.2 RC5


UltraDefrag can defragment your drives including any system files, registry hives and paging file.


UltraDefrag is the first open source disk defragmenter for Windows which supports defragmentation of system locked files by running during the Windows boot process. Actually all files including registry hives and pagefile can be defragmented at Windows boot time.


Also one of the primary goals of the UltraDefrag design is doing the job as fast as possible.


UltraDefrag has the following features:


  • system files defragmentation (registry, pagefiles...)
  • ultra fast NTFS analysis
  • fast defragmentation algorithm
  • effective volume optimization algorithm
  • safety, it can never damage processed files
  • simplicity, it can be used without reading the documentation
  • ability to defragment single file/directory from the context menu in Explorer
  • ability to defragment additional streams attached to NTFS files
  • ability to exclude any unimportant fiiles based on flexible filters
  • ability to defragment files which have number of fragments above specified threshold
  • ability to automatically break defragmentation when the specified time interval elapses
  • well readable HTML reports
  • powerful command line interface
  • ability to automatically hibernate/shutdown PC after a job
  • small handy scheduler
  • multilingual graphical interface
  • little binaries (less than 500 kb)
  • portable version available which requires no installation
  • native 64-bit support

Additional Info

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