Today i stopped mining to restart my computer. A couple hours later i tried to start up 50miner and login with my 50btc.com info and it gives me an message in russian. I've read that it is an authentication error. Is there anyway to fix this or should i just wait?

I know there are a handful of sites out there was just curious as to which ones you guys use and are the most reputable. (Other than mtgox)