The information is in the file sysoc.inf (Windows \ inf \ sysoc.inf). Take a copy of sysoc.inf and save the like. sysoc.old or save it in a different folder. Then you can restore it again. Open Sysoc.inf and find the line with, for example. MSN Messenger, remove the word HIDE on the line.
MSN Messenger line looks like this:
msmsgs = msgrocm.dll, OcEntry, msmsgs.inf, hide, 7
Amend to look like this:
msmsgs = msgrocm.dll, OcEntry, msmsgs.inf, 7
Save your changes. Now you can see MSN Messenger in Add / Remove Programs in Windows components.
NOTE: You can see hidden folders and files - you can change the folder options.
Alternatively, you can use the Search set up to look into its system and hidden files.
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