400 Errors on Xfinity.com

We’re aware of an issue that may be intermittently affecting some customers’ ability to log-in to web pages or access various services through Xfinity-dot-com, including Xfinity Email. If you’re already signed in, try signing out and then sign in again. If that doesn’t work, you may need to clear your browser’s cache and cookies, which can typically be found under the privacy and security settings.

For instance, in Google Chrome you can go to Settings > Privacy and Security > Clear Browsing Data. Go to the Advanced tab and choose “All time” for the time range. Then click “Clear data”.

Clearing the cache and cookies should resolve the issue. We appreciate your patience as we work as quickly as possible to implement a permanent fix.