RegFix Mantra Cleaner 4.2 is an effective Windows Registry repairing and optimizing tool which cleans up possible errors and conflict problems that could create malfunctions within the registry (something essential for your PC to work correctly, and above all more quickly).It lets you delete residues of installed programs that aren+t used, manage system startup programs, repair invalid or badly referenced entries, make backups of the Registry content before making any changes, etc.