I used the latest version of the System Cleaner on Win7 32. Here I ran the Registry Cleaner. What followed were endless sudden system shutdowns with blue screens (different messages like BAD_POOL_CALLER, PFN_LIST_CORRUPT). NEVER had this problem before. ???
Next I tried to find a backup file of the CIC to undo the changes - I could not find any. ???
Next I tried to uninstall this software with the Windows uninstaller. What I saw was that many install dates have been changed to the date when the System Cleaner was installed. ???
The only thing that helped me now was to restore a partition backup. If you don’t have one I guess you have lost your system. :-TD