Mining on tagmining.com has been temporarily suspended.
It appears that we found blocks ahead of the chain somehow... so yeah, I'm looking into it.
I'll update as I figure this out.
-Fuse
EDIT-As I'm working on the pool DB to sort the issues, I notice on the site that the current block height just went back about a dozen blocks. Just checked Hashfaster and they orphaned, as I'm sure everyone else did too. Either we're all going backwards on the chain to a checkpoint or something, or this is really messed up.
I've sent a PM to Mark asking to check in here.
edit- Mining has been resumed. Fingers crossed this time.