Please visit our bug report site to see if the problem has already been reported: msft.it/6016bzZ26. You can upvote if the issue hasn't been resolved. If you think you've found a new bug, visit our help site here on how to submit a report! msft.it/6017bzZ2B ^TK
Let's start with some basic troubleshooting then! Please uninstall the client and then make sure your firewall/antivirus has given Minecraft permissions. Try running as admin to see if that helps as well :) ^TK
Please visit our bug report site to see if the problem has already been reported: msft.it/6010bzZxi. You can upvote if the issue hasn't been resolved. If you think you've found a new bug, visit our help site here on how to submit a report! msft.it/6011bzZxc ^TK
We apologize for the inconvenience, but this is currently a known issue.
The team is currently working on a fix that should fix the issue as soon as possible.
Thank you for your patience while we work on the solution! ^TK
Not sure what's causing that to be honest. Since you have cleared your cache/cookies and tried other browsers I am out of troubleshooting steps our end. ^TK