msn messenger 7.0 error code 1603

Hi, i have been having problems with msn messenger 7.0

It gives me an error message that looks like this

<img>http://img2.freeimagehosting.net/uploads/668475e94d.jpg</img>

And then it tells me that the error is code 1603...

Can someone please help?

[381 byte] By [MizzDiva] at [2007-12-20]