Remove Programs from the Open With Menu in Explorer
 

Would you like to clean up the Open with menu in Windows Explorer? Here’s how you can remove program entries you don’t want in this menu on any version of Windows.

Have you ever accidently opened an mp3 with Notepad, or a zip file with Word? If so, you’re also likely irritated that these programs now show up in the Open with menu in Windows Explorer every time you select one of those files. Whenever you open a file type with a particular program, Windows will add an entry for it to the Open with menu. Usually this is helpful, but it can also clutter up the menu with wrong entries.

http://www.howtogeek.com/howto/18119...u-in-explorer/