UPDATE WINDOWS IMMEDIATELY UPON INSTALL<BR><BR>Ok, now that that's out of the way, DCOM/RPC errors are caused by Blaster/Welchia variants. They can infect any unpatched machine just by it being online ...

The main cause of the DCOM Error 10016 to occur is Invalid permissions. Listed below are the troubleshooting solutions that you need to do to be able to Fix DCOM ...

Thanks, that was the problem. I forgot that about a week ago I had edited my Group Policies and disabled Windows Messenger. I change it from disabled to "not load on startup" and it works fine now.