Running a "Test" generated 2 error codes
error 80048820 and extended error code 80048439
Google came to the rescue with this
[url]http://www.fanatic.net.nz/2005/08/30/solving-error-80048820/[/url]
[QUOTE][B]Causes[/B]
* The system clock may be set incorrectly.
* The Dynamic Link Library (DLL) softpub.dll, may not be registered on the system.
* Internet Explorer may be using an invalid proxy server.
[B]Resolutions[/B]
* Double click on the clock in the taskbar and make sure the system clock is set correctly.
* Register softpub.dll using the regsvr32.exe tool.
1. Click Start, and then click Run.
2. In the Open box, type regsvr32 softpub.dll and then click OK.
3. Restart MSN Messenger.[/QUOTE]
that worked for me, just posting a quick fix ;)