On co-operative in my friends match, every time there is an update it seems that my game gets rid of all my stats and items:

http://steamcommunity.com/sharedfiles/filedetails/?id=280578491

Meanwhile it's all still there on my friends screen:

http://gyazo.com/f0d2cb12c804b10a4a7bb42e2a164713

It's obvious this is just a visual glitch on my end but its rather irritating that it happens every day.