Workunit submitted twice to my computer

> This implies that there is a new version of the client software that will fix
> it, but I can't see how that would work, unless it just rejects duplicate
> WU's. I'd think the fix would be on the server side.

Correct: fix was on the server side. We had misconfigured a switch that was supposed to ensure that no user got multiple results from the same workunit. It's fixed now (since Saturday or Sunday last weekend).