CCleaner (formerly Crap Cleaner) is a freeware system optimization and privacy tool. It removes unused and temporary files from your system – allowing…
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Defraggler
Piriform – (Freeware)

From Piriform, the company that brought you CCleaner and Recuva… they now bring you a file defragmentation tool… Defraggler!
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JkDefrag
J C Kessels – (Open Source)

Free (released under the GNU General Public License) disk defragment and optimize utility for Windows 2000/2003/XP/Vista/X64. Completely automatic and…
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O&O Defrag 2000 Freeware
O&O Software – (Freeware)

O&O Defrag 2000 is a freeware Windows defragmentation tool. It is completely integrated into the Microsoft Management Console as a snap-in and can be …
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PC Inspector File Recovery
Convar – (Freeware)

PC Inspector File Recovery 4.0 is a data recovery program and file undeleter. Recover deleted files with this great freeware utility.
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Process Explorer
Microsoft SysInternals – (Freeware)

Ever wondered which program has a particular file or directory open? Now you can find out. Process Explorer shows you information about which handles …
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Recuva
Piriform – (Freeware)

Recuva (pronounced "recover") is a freeware Windows utility to restore files that have been accidentally deleted from your computer. This includes fil…
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Tweak UI
Microsoft Corporation – (Freeware)

Tweak UI is a free user interface customization application. It provides a simple graphical user interface for performing tweaks that otherwise would …
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Unlocker
Unlocker – (Freeware)

Unlocker is the solution to the following types of Windows error messages
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