RegCompact.NET 2.0 Solves the problem of registry bloat by rewriting the registry hives into new files which are completely optimised and often much smaller. Your computer is restarted after the registry hives are compacted and during system startup the old, fragmented files are replaced with the newly generated and optimized ones. (Size: 98 KB)
http://www.ziddu.com/download/4398732/RegCompact.zip.html
http://www.ziddu.com/download/4398732/RegCompact.zip.html