Avast firewall 2014.9.0.2016
Windows 8.1 Update 1 - Clean install.
Avast firewall Shield causes boot to hang at desktop for over a minute. Does not let any other programs start.
If firewall shield is disabled, has no problem booting. Once firewall Shield is turned back on. Hangs at boot again.
Using default settings - auto answer for program permissions.
I have tried Offline and online installs.
Any ideas?