Hi @best meat ,
Thank you for posting in this community.
There could be several reasons why you are unable to connect, including network connectivity issues or incorrect login credentials. Here are some steps you can try to resolve the issue:
1.Check your network connection and ensure that you have a stable internet connection.
2.Turn off the firewall/proxy.
3.Ensure that you are using the correct login credentials. If you are unsure, try resetting your password.
4.Follow detailed steps in this article to clear your SharePoint Designer 2010/2013 cache.
5.If you are still unable to connect, try using a different username and password to log in and see if the issue persists.
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