I upgraded avast to 4.8 last evening. After rebooting for the first time after installation, processor was being used 100% by avast processes. I worked with it for 2 hours in disbelief that avast could have done it and finally un-installed Avast. Everything back to normal, but i'm without virus protection.
I don't have time to troubleshoot this, especially since i'm certain the problem is not with my computer.
I watching for a solution/new release without this trouble.
Thanks.