If you cannot sign into Edge with a Microsoft account, remove your account from Microsoft Authenticator and try again. More ...
If the Copilot is not working in Edge browser, and you see Attempting to reconnect error or a Blank page, these fixes will surely help you to fix this issue.
In October 2024, Microsoft announced new Vision and Voice Interaction features for the Copilot experience on the Edge browser ... Copilot website and click the sign-in button in the top right ...