hi , I have been playing fine for a couple of days now , however all of a sudden I am unable to do anything . I log on a server , when I try and open a door nothing happens , if I try and pick something up nothing happens . If I try and take something out of my inventory nothing happens. all in the meantime I can still run around but not actually do anything , and other players can see me still. please help !!

no I didn't, I now see loads of people with desync problems now , I didn't realize the problem I had was a desync . no need for the smart arse comment .