This problem can occur if the program you installed creates a registry key name that is longer than 60 characters in length. Add/Remove Programs only lists program names it locates up to the point it encounters this situation.Follow the steps given to solve the problem.
* Go to C:WindowsInf folder. In the right pane, scroll down to sysoc.inf. Open it with notepad. It will look like…
* The word “HIDE” in an entry hides that application from your Add/Remove Programs dialog box. To add ms messenger to the Add/Remove menu, delete the word HIDE from its entry. Don’t delete the “,”(comma) after it.
* Save the file and restart your machine and now you can see that app listed in the add/remove programs list.