In order to fix My Registry, you will need to:  Utilize the Disk Cleanup Tool. Rather than installing a third-party cleanup tool, try the Windows Disk Cleanup utility  NExt, try the Automatic Repair Tool.  Now Run an SFC Scan   Next, Try a DISM Scan. ...  Import an Old Registry Backup. ...  Check for Malware on the PC. ...  Next do a System Restore. ...  Reset Your PC.