Ok so Im running OS X LION on a 2007 iMac on a 2.0ghz C2D with 2gbs ram. It was working fine up to around a few months ago. These are my current issues... EVERY time I open iTunes, It always asks me the T&T's. Desktop settings reset themselves ( like translucent menubar etc ) Wallpaper just keeps resetting itself. Apps are temperamental to say the least. ( for example - last night prizm has decided it doesn't want to convert files any more ) And yesterday Timemachine decided it didn't want to recognise my wd elements 1tb drive. ( Although i have sorted this issue out ) Any ideas folks? And before you ask, Ive updated the system and my apps etc, So all should be working fine.