Select the folder key and then press the DELETE key to delete this folder. In our example, select the 6B7E6392-850A-101B-AFC0-4210102A8DA7 folder and then press the DELETE key. You have just deleted the folder key for comctl32.ocx.
Search for and delete other registry keys that refer to the ActiveX control.
Close the Registry Editor. On the Start menu, click Run.
Enter the following in the Open field, and then press the ENTER key:
Regsvr32
RegSvr32 displays a message box indicating that the registration process was successful.