I have had zero problems with the SMP client as well, other than the recent troubles with sending/receiving WUs, but that is not the SMP client's problem. That's trouble at Stanford, in which case being patient is all that is needed.
I'm getting it too. Apparently it is not just the SMP client because there is one guy on the FAH forums who said he has it with two regular console clients as well. I guess we just have to wait it out and hope our WUs are submitted before their deadlines.
Lyquist, you are very impatient...
I don't know what is wrong with your system, but I have a very similar system to yours. My e6300 is overclocked to 2.8 GHz like your, and my average frame times for P2610 is 21 min, P2651/2652 is 16 min.
In your task manager, is any process (other than the FAH cores) using a high amount of...
http://forum.folding-community.org/ftopic18555.html
So, just be sure that before you try to restart the client that there are no more cores running in the task manager. Use the same logic before shutting the computer down, as well.
When I used the GUI client, it would crash if the window was open when it finishes the WU. It works just fine if you leave it minimized to the task bar.