We're gonna need the whole log, not just the snippet of it. Internet research shows this is an error common to MSN Messenger, no idea why it's working against you here. Fact is you either deleted a COM object or DLL and didn't unregister it first somehow, or something got junked up in an uninstall somewhere. Give this a try: Link Here Of course, I'm assuming you're using Windows 7 since you didn't provide the full log and/or specs of the system it's running on. @Freq: Dang man! On it again! Man I'm getting a bit slower everyday!