With context menu editor you can add, edit, and delete context menu items, edit file type information (such as icon and description) and change an extension's associated file type.
The auto-play settings lets you add, edit, and delete auto-play handler programs, change which auto-play options are available for any media type, and change the default auto-play handler.
Another option is Default Programs Settings, which lets you add or remove default associations (possible to check, but not un-check, in Windows).
In Windows XP , only the Context menu editor is available, Auto play setting and default program settings are for Windows 7 and Vista only.
To run the program, .net framework 3.5 must be installed on Windows XP and Vista. More information and download Default Programs Editor from programs home page.