- Start Windows Explorer
- Go to c:/windows/inf
- Create a backup copy of sysoc.inf
- Open sysoc.inf
(Right click with mouse on sysoc.inf and select "Open With...". Select Notepad or Wordpad.)
- Find a line containing "msmsgs", delete only the word hide at the end of this line. No the commas.
- Save the file sysoc.inf.
- Open "Control Panel"
- Open "Ad or Remove Programs"
- Click "Add/Remove Windows components"
- Uncheck "Windows Messenger"
- Press "Next" to complete the wizard