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This is a freeware version of UltraDefrag. This download is provided to you free of charge.

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Perform a reliable disk defragmentation of your hard-disk to improve its functioning.

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