Well... Is there anybody out there WITHOUT a multicore CPU? I have a quad, so perhaps this will cause some extra problems. And I dunno how an application shoult decide to use a specific core. If it does, it's broken, because multithreading and the use of multiple cores won't work this way... but wayne... THIS is a very useful Information indeed. I have switched from Avira to Avast just a few weeks ago. Well, until posting this question I thought some crashes per day are normal. But it seems that it crashes way to often on my system...