From Simnet Ltd.
Simnet Registry Defrag is an extremely easy-to-use and freeware utility that allows you to defrag windows registry. Over time, with daily use of windows, system's registry becomes fragmented and response times of applications increases. By using Simnet Registry Defrag periodically, you improve your system's performance, prevent registry corruption, compact and optimize windows registry.
-Optimizes your registry by removing gaps and fragments.
-Fixes structural problems in the windows registry.
-Makes system running more stable.