I can really understand your frustration. I've been working against myself to bring my solve time down, and this afternoon had managed to bring it to 48.9. When I clicked on Check It
after my last puzzle the server didn't respond, and I clicked on Retry about 7 times.
Then the phone rang. When I finally got back to Cryptograms I noticed that there was a puzzle sitting there for 3479 seconds. It was a really simple one that took about 25 seconds to solve, but my solve time went from 48.9 to 66.1!!!