The Registry category contains several sections with the predefined registry hives to scan in them.
Before fixing the discovered problems (deleting the invalid registry entries), click the details link to see all them in particulars:
You can uncheck the keys you don't want to be fixed with a mouse click. To select/deselect all the sections including their contents, use the right-click menu Check All/Uncheck All items.
To add a key to the ignore list, use the right-click menu Add to Ignore list item.
To delete a key from the ignore list, use the right-click menu Delete from Ignore list item.
In case you would like to revert the changes you made to the registry, click the Undo button on the Menu Pane.
The following window will appear for you to select an undo point from among the available ones:
To return the registry to a certain previous state before a fixing has been applied, select an undo point then click the Undo button.
To delete an undo point, click the Remove button.
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