What would the windows xp equivalent be of deleting the key 'User Choice' in windows7/vista registry (to restore default program to be used to open a partcular file extension).
migrated from stackoverflow.com Dec 14 '11 at 13:57
Never mind — I figured it out. In case anyone else needs this answer here is what works:
In XP I deleted one key up from where
So to restore the default program to open this extension, I deleted:
(where .myExt is the extension you're trying to fix)