Registry Cleaner and Fixer provides undo support. Whenever you delete any registry key an undo file is created in your My Documents Folder. To see what all the changes have been made in your registry by Registry Cleaner and Fixer just press the Undo Button. You will see a list box with Data and Time of changes with a file name containing the undo information.
Undo file is created in your My Documents Folder as follows :
|\My Documents
|-\AdvSysOpt
|- - -|\ RegCleanUndo
If because of some reason Advance System Optimizer cannot create Undo File in My Documents folder an Undo file is created in the Current Directory.
You can do a selected operation by selecting a item in the list and pressing the Undo Button. It will cause the undo information to be entered in your registry.
If you are satisfied after cleaning your registry just select that undo information and press the Remove Selà button to remove that undo information. It will delete the Undo File so be cautious.