Windows Live Messenger unable to connect with error code 80040200 – solution in Windows 7

Are you unable to log in to Windows Live Messenger and getting the error code 80040200 ? If so, you may wish to try the following which worked for me on Windows 7 (beta, build 7000) with Windows Live Messenger 2009 (final build 14.0.850.1202): DISCLAIMER: make sure you have a backup of everything before proceeding, […]