The page is not redirecting properly
From MozillaZine Knowledge Base
Firefox will display an error titled "The page isn't redirecting properly" when a webpage redirects you in an endless loop. This page describes a few things to check for that may cause this problem.
Turn cookies on
- Tools -> Options -> Privacy -> Cookies
- Make sure "Accept cookies from sites" is checked.
- Make sure the site you're trying to access in not in the Exceptions list.
Clear cookies
You may have data in your cookies that the site doesn't expect. To clear this data:
Firefox 1.5:
- Tools -> Options -> Privacy -> Cookies
- Click "Clear Cookies Now"
Firefox 2.0:
- Tools -> Options -> Privacy -> Cookies -> Show Cookies...
- Click "Remove All Cookies"
Enable referrer info
Check that network.http.sendRefererHeader is set to 2:
- Type about:config in the Location Bar
- Press Enter
- Find the preference name network.http.sendRefererHeader
- Double click on it. A dialog will appear.
- Enter 2 into the dialog.
- Press OK.
Bad website
The problem could simply be an error in the website's coding. Contact the webmaster for assistance.