User-Agent: Mozilla/5.0 (Windows NT 6.1; rv:2.0b4) Gecko/20100818 Firefox/4.0b4 ( .NET CLR 3.5.30729; .NET4.0E) Build Identifier: Mozilla/5.0 (Windows NT 6.1; rv:2.0b4) Gecko/20100818 Firefox/4.0b4 ( .NET CLR 3.5.30729; .NET4.0E) I've attempted to sign into Xbox.com using Windows Live Login and it works. BUT! When I go to edit anything on my account on the Xbox.com Website, It will try to re-authenticate my Windows Live ID and password, and then give me the windows live error screen that there may be an issue with the site, or with my browser, or that I am not signed in. But I am signed in. It works correctly in Google Chrome, and Safari. Just not the Firefox Beta. Reproducible: Always Steps to Reproduce: 1. Use Windows Live ID to sign into Xbox.com 2. If you do not currently have a gamertag, You will need to create one on Xbox.com (Silver Accounts do fine) 3. After creating a gamertag, Attempt to edit its profile settings, or add Microsoft points. Actual Results: Receive Windows Live Site/Login Compatibility Error below: "Windows Live ID is unavailable from this site for one of the following reasons: This site may be experiencing a problem. The site may not be a member of Windows Live ID. You can: You can sign in or sign up at other Windows Live ID sites and services, or try again later at this site." Expected Results: Should be able to access account settings correctly and edit them. None.
I have the same problem. i contacted Xbox support, they are supposedly working on something to fix the problem. A week later I contacted Them through Twitter, they instructed me to use IE temporarily and I was able to access the account site on Xbox.com. Hope you get what you need.