Hello, Sue Johnson_561
Welcome to the Microsoft community.
Thank you for your feedback. We apologize for the inconvenience caused by the frequent login popups you described. Here are some troubleshooting options:
1. Clear your browser's cache and cookies:
Open Firefox, click the menu button (three horizontal lines) in the upper right corner, and select “Settings”.
Select “Privacy & Security” from the left menu.
Scroll down to the “Cookies and website data” section and click “Clear data”.
Select “Cookies and website data” and “Cached web content” and click “Clear”.
Disclaimer: Your browser automatically saves temporary internet files to help pages load faster. Clearing this cache will sometimes fix website issues. Please back up all your personal files first, such as Favorites, to ensure you do not lose data.
2. Check the website permission settings:
Visit the Message Copilot website.
Click on the small lock icon on the left side of the address bar and select “More Information”.
Select “Permissions” in the pop-up window.
Make sure that the “Show pop-up notifications” option is set correctly. You can block this option to minimize the appearance of pop-ups.
3. Disable pop-ups:
Open Firefox, click on the menu button in the upper right corner and select “Settings”.
Select “Privacy & Security” from the left menu.
Scroll down to the “Permissions” section and uncheck “Block all pop-ups”.
4. Check Firefox extensions:
Open Firefox, click the menu button in the upper right corner and select “Add-ons and Themes”.
In the “Extensions” tab, disable the extensions related to Message Copilot, then refresh the page to see if the problem is solved.
If the problem is still not resolved even after you try the above steps, I tested it in EDGE and it's most likely a Firefox issue. You can try to contact Firefox technical support, they can also give you more professional answers.
I look forward to your feedback, which will help me pinpoint your problem.
Best Regards,
Aaron| Microsoft Community Support Specialist