Yes, this must have to do with the last avast webshield glitch, did you update to the latest virus definition.
Then the problems with the webshield alerts must be over,
For pogo.com as far as I can establish I’d give it the all green,
Look here: http://www.webutation.net/go/review/pogo.com
and here: http://www.mywot.com/en/scorecard/pogo.com
Sucuri scan gives an all green also:
web site:
http://pogo.com
status:
Site verified to be secure and free of malware.
web trust:
Site not blacklisted.
and here: http://www.urlvoid.com/scan/pogo.com
Safe: http://safeweb.norton.com/report/show?url=pogo.com
unmasked parasites: http://www.google.com/safebrowsing/diagnostic?site=pogo.com
polonus