Although I am not a big fan of system optimization tools and applications, I am presenting here a good opportunity to get a full licensed and legal copy of the WinUtilities Pro suite absolutely free.
WinUtilities Pro is a Windows Repair, Optimization and SpeedUp tool, with a regular price of $49.99. But they are giving it away absolutely free for the Softpedia users at present.
You just have to download the trial version from the softpedia site , and use the following credentials to register it.
regname: Softpedia User
Here is the promotion page.
WinUtilities Pro is an award winning collection of tools to optimize and speedup your system performance. this suite contains utilities to clean registry, temporary files on your disks, erase your application and internet browser history, cache and cookies. it also supports to defragment your disk drives and improve computer performance and stability. built-in StartUp Cleaner allows you to control startup programs that load automatically with windows, find duplicate files, fix broken shortcuts and uninstall unneeded software. other features include secure file deletion, recycle bin shredding, system maintenance tasks scheduling and undelete deleted files.