Wauv Avast, that was a baaaaaaaad update.
After the update and a reboot, I had NO internet. I could ping ip adresses, but normal trafic via browser, dropbox, IM and so on was not allowed to pass. Disabled all shields, that did not help :O
Then I started an update of the virus defs, but got an error that an installation was already running O_o Two seconds after that the internet came on, so apparently it was hanging in installing an updated def or something like that.
Avast that is simply not good enough. There has been to many of these issues, you need to improve your QA. I've always using Avast because of it's simplicity, how light it is and that it always worked, please don't destroy that.
Thanks.