1)   Error Nuker Pro 2008.92
Error Nuker (Registry Easy) is a powerful utility that will repair the Windows Registry to identify errors and ways to optimize the performance of the Windows Registry

 2)   Registry Toolkit Vista compatible. 2.37
Increase system speed and stability by removing corrupted registry files with Registry Toolkit. Registry Toolkit is the safest and easiest way to improve your PC's performance. Does your computer keep crashing, are you receiving weird errors.

 3)   Registry Toolkit Vista Safe. 2.37
Increase system speed and stability by removing corrupted registry files with Registry Toolkit. Registry Toolkit is the safest and easiest way to improve your PC's performance. Does your computer keep crashing, are you receiving weird errors.

 4)   XP Repair Pro repair Windows errors 2.53
XP Repair Pro is a popular system utility that is designed to allow any computer user to quickly and easily repair common errors that occur in Windows and thousands of other software titles.