some days a go i was curious to install WLM 2009. i hadn’t any problem with mu last 8.5. sorrily i face now with many problems. in chat i recive just some of my friends messsages and they recive just some of my messages too. i can’t hear their voice clear and they can’t hear my voice too. problem in adjusting cam too. plzzzzzzzz help me. is it possible i reinstall 8.5? i didn’t find any way. and can u help me i solve my problem.??