MSN Messenger 6.1 closes when I click Audio

This is the error details:

AppName: msnmsgr.exe
AppVer: 6.1.0.207
ModName: ole32.dll
ModVer: 5.1.2600.1263
Offset: 0001213e

I have tried everything. I think the problem started when I installed MSN
Messenger when Windows Messenger was already installed on my XP machine.

Windows messenger does not work when I run it and gives the same error. I
have disabled it, now, and uses MSN Messenger 6.1, but it closes when I
click Audio.

Help me please, I am on my knees begging.
Hennie