Cannot Log in MSN

Problem description: Cannot Log-in

Error code/error message:80048820

What has been tried so far:Reinstalling IE8, other Versions of MSN (7.0)

Messenger version: MSN 7.5

Windows version: XP Home 32-Bit SP3

Huh, I think you need to install every update within legacyupdate.net because of several login issues

I did that, but i have found a Solution now. I installed a Proxy patch. But thank you for you answer!