Right Click Open With Missing

You right click on a zip file, mp3 etc but there is no open with anymore.

This will change your values in your registry take a back up first.

To do this go to Start, in the search program and files, type regedit, click on regedit.exe.

Go to file then export then create a file name eg. RegistyBackup.reg, press save.

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To restore double click on RegistyBackup.reg

You will be prompted with

Adding information can unintentionally change or deleted values and cause components to stop working correctly. If you do not trust the source of this information in [REG file location], do not add it to the registry. Are you sure you want to continue?

Up to you here if you want to continue if so press yes.

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Now that your registry is backed up, here is the Open With Fix.

https://docs.google.com/leaf?id=0BwjqRgkVKt1IN2RiZDc3ZTAtZWRlNi00NTYxLTg1ZGEtZmRhZmQ1NmU1YzBi&hl=en_US


Double click on the above link : click on the download : double click on OpenWith.reg, press yes to the User Account  Control, then yes again.