Before you uninstall and reinstall (see below) have you asked other Photoshop users?
This forum is about the Cloud as a delivery process, not about using individual programs
If you start at the Forums Index http://forums.adobe.com/index.jspa
You will be able to select a forum for the specific Adobe product(s) you use
Click the "down arrow" symbol on the right (where it says ALL FORUMS) to open the drop down list and scroll
Discussions of RE-installing
-using the cleaner after uninstalling and before reinstalling may help