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UltraDefrag is a powerful disk defragmentation tool for Windows NT/Vista/XP/Server2003. Extremely fast and useful. Some of the unique features of UD are ability to defragment system files at boot time and defragmenting single file or directory.

Project Reviews

  • Thumbs up

    Go!

    posted by anonymous 112 days ago
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  • Thumbs up

    The support for boot time defragmentation is the feature.

    posted by StefanP 109 days ago
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  • Thumbs up

    merci beaucoup, bravo

    posted by anonymous 83 days ago
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  • Thumbs up

    This is the best, GGk

    posted by anonymous 39 days ago
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  • Thumbs down

    rubbish will not download

    posted by anonymous 40 days ago
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  • Thumbs up

    works great

    posted by anonymous 25 days ago
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  • Thumbs down

    Wo'nt work on a Windows7 x-64 system

    posted by anonymous 61 days ago
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  • Thumbs up

    The UD is a really good software. It helped me to recover my notebook after a system crash, it was over good news for me. Yearlier I used a commercial software- Diskeeper - for a HDD defrag. Nowadays I tried to kill this soft when it runs on my PC. My warmest thanks to authors of UD. Maybe I can help them, my name is Vladimir, I'm from Russia, Saint-Petersburg city

    posted by anonymous 67 days ago
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  • Thumbs up

    Its about time someone updated the defrag utility that came with Windoze. Thanks Much!

    posted by anonymous 103 days ago
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  • Thumbs up

    Thank You

    posted by anonymous 104 days ago
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  • Thumbs down

    is this a joke or is it real program that can be really download and really install and really use?

    posted by anonymous 102 days ago
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  • Thumbs down

    Wo'nt work on a WindowsVista x-64 system

    posted by anonymous 18 days ago
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  • Thumbs down

    Tried this and got the blue screen of death after an initially successful-looking defrag. (Despite the hating Vista gets, this was the first time I'd ever gotten THAT on any of my three Vista systems). Hate the Windows default one, but looks like I'll be sticking with that for the foreseeable future.

    posted by anonymous 69 days ago
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