Check you have latest version installed: 4.00.235 (Go to Plus! > About)
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My advice, but try what other people said before, as they might work, then try this:
- Exit Windows Live Messenger so it's not running
- Uninstall Windows Live Messenger (Control Panel > Add/Remove Programs)
- Uninstall Messenger Plus! Live (Control Panel > Add/Remove Programs)
- Delete
C:\Program Files\MSN Messenger\ folder
- Delete
C:\Program Files\Messenger Plus! Live\ folder
- and the same for Windows Live Messenger
here and install
- Now download the latest version of Msg Plus! Live
here and install