User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:126.96.36.199) Gecko/20100401 Firefox/3.6.3 Build Identifier: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:188.8.131.52) Gecko/20100401 Firefox/3.6.3 As it appears to me, FireFox freezes into a "loop" say "Redirecting" when trying to open any Google Group http://groups.google.com/. SeaMonkey appears to be unaffected. Reproducible: Always Steps to Reproduce: 1.Go to http://groups.google.com/ 2.Click on any item under "My Groups" 3. Actual Results: https://www.google.com/accounts/ServiceLogin?service=groups2&passive=1209600&continue=http%3A%2F%2Fgroups.google.com%2Fgroup%2Fcosta-rica-imports%3Fpli%3D1&followup=http%3A%2F%2Fgroups.google.com%2Fgroup%2Fcosta-rica-imports%3Fpli%3D1 Expected Results: http://groups.google.com/group/costa-rica-imports
This usually happens when google account redirection messes up. go to google.com, log out, then try to go to the group and log back in. Should work fine. This is a google issue I beleive, their account server messing up. I've seen it on IE too.
I did as you suggested and logged out and back in, but nothing changed. No problems with SeaMonkey.
Try deleting your cache or cookies.
Thanks, deleting cache and cookies worked!:-)