1 Click Fix IT, takes the guesswork out of locating and solving problems in the Windows registry. Access 1 Click Fix IT from your desktop, diagnose, and repair registry errors in seconds or schedule 1 Click Fix IT to work in the background while you continue to work - uninterrupted,thus keeping your PC running faster, cleaner, and error free. 1 Click Fix IT will scan your entire registry for any invalid entries and will provide a list of the registry errors found.