WinSysClean is safe it uses complex analysis to skip important data from removal. Other tools are dumb they ask you what to delete and what not which takes you time and sometimes they make your demolish your Windows. WinSysClean is different from any other System Cleaning Tool it uses advanced registry and file analysis in order to detect invalid entries so you don''t need to make critical decisions to confirm which entries/files to be removed because WinSysClean does this for you safely. You can also view a complete log of the operations executed by WinSysClean after a cleaning process. WinSysClean automatically optimizes your Windows System by optionally removing temporary/unused space wasting files unused and invalid registry locations invalid shortcut links and many more works with Windows 2000 XP Windows 2003 Server and Windows Vista. Uses the most complex registry analysis algorithm in order to repair the Windows Registry. This version includes 45 cleaning & repairing operations. By running WinSysClean you will get more disk space and Windows will run faster after a clean operation. The error files that WinSysClean searches for and deletes can produce very hazardous results if not properly cleaned from your drive on a periodical basis. All this tasks are done by Professionals periodically by hand now you can do it with just a single button click ! without being affair of damaging something !