1)   Error Repair Pro 3.3
Error Repair Professional - Keep your PC operating smoothly by using Error Repair Professional to scan, identify, clean and repair registry errors in your PC with a single click.

 2)   NT Registry Analyzer 1.0
Uninstalling or changing software, hardware and drivers never leaves a PC clean. Use NT Registry Analyzer to find and remove incorrect or obsolete information in the registry. Stay away from system crashes!