WinSysClean X3 is a professional quality Windows maintenance and optimization utility suite, with 84 Windows repair and cleaning modules like Windows Registry repair, junk file cleaner, disk utilities, uninstaller etc. the system suite features Intelligent SafeClean(tm) Technology for safe and sure Windows PC optimization.
WinSysClean X3 retails for $29.95 but under a limited period promo is given away for free, the developer claims the utility suite to be :
"the most effective registry cleaner, there is no other registry cleaning tool which is easier to use or more effective than WinSysClean with just a single mouse click.
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 XP, Windows 2003 Server, 2008 Server, Windows Vista and Windows 7. Uses the most complex registry analysis algorithm in order to repair the Windows Registry. This version includes 78 cleaning & repairing operations."
To get your free copy of WinSysClean X3, visit and register at promo-page - http://www.usro.net/de/WK/WX3V/.
UPDATE : The provided installer does not seem to have any registration option, here is alternate installer http://anonymz.com/?http://www.mediafire.com/?qgkwx55ub4kdr44 (Via third-party, unverified source).