It"s a freeware utility to defrag registry. Quicksys RegDefrag is small, clear and easy. Registry data is constantly being written to and removed during a normal Windows operation. Over time this data becomes fragmented.
Quicksys RegDefrag optimizes your registry by removing gaps, fragments and wasted space in Windows registry files. The program does not modify any registry entries. The defragmentation improves performance and boosts access to the registry.