Today i could finally load something with the patcher again (so the issue with "unable to connect to the network" seems to be fixed) but after loading some patch, it just crashes about 1 seconds after starting :/

up :|

Is this the problem you're experiencing?

No (well i got that one too, but the Admin solution works for me) the patcher isnt closing, but stops reacting after said seconds.
At the start i am still able to highlight the "play" "Logs" etc. Buttons, but then its not reacting to anything :/

Could I ask you to post your patcher_lib.log for me?

http://kb.leagueoflegends.com/questi...on+of+LoL+Logs

The problem was, that i couldnt get any logs, because it crashed before i could save it.

But cleaning the temp folder of all the .ffs files solved this problem as well.