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Why doesn't Copilot Allow Me To Sign On?

alan933 20 Reputation points
2026-03-01T14:50:28.95+00:00

I used it once before but now when start the program and click the microphone icon, it asks me to sign on. Then when I click sign on, nothing happens!

Then if I close the program and try to open it by searching Copilot and clicking it to start the program..it doesn't start!!

What is going on?

Follow-up question: Why is microsoft so bad with basic functionality of its programs? Like simple sign on or opening a program?

Microsoft Copilot | Windows Copilot | Copilot+ PC
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  1. Hendrix-V 11,780 Reputation points Microsoft External Staff Moderator
    2026-03-03T07:18:29.5266667+00:00

    Hi alan933,

    Welcome to the Microsoft Q&A forum. Thanks for sharing what you’re seeing.

    Based on the behavior you described, Copilot is not completing the sign‑in process correctly, which can prevent voice features from starting and may stop the app from opening again after it’s closed. This can happen if the app’s local sign‑in state becomes out of sync.

    Here are some possible options that you can try in this situation:

    1, Reinstall Copilot

    • Open Settings > Apps > Installed apps.
    • Find Copilot, select Uninstall.
    • Restart the device.
    • Reinstall Copilot from the Microsoft Store.
    • Open Copilot and sign in when prompted.

    2, Confirm system sign‑in

    • Open Settings > Accounts.
    • Make sure you’re signed in to Windows with a Microsoft account and there’s no “sign‑in required” message.
    • Reopen Copilot from the Start menu.

    3, Validate account access

    • Open a browser and sign in at Copilot using the same Microsoft account.
    • If sign‑in works there, return to the Copilot app and try again after reinstalling.

    If the issue continues, please run the Copilot connectivity troubleshooter from the Get Help app.

    Let me know if you need further assistance, feel free to ask me by clicking "Add Comment" or "Add Answer" if you cannot add comment so your response will be visible. Thanks for your effort.


    Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.


  2. kagiyama yutaka 1,245 Reputation points
    2026-03-01T19:40:45.6533333+00:00

    The sign‑in pane isn’t getting a session back from Windows, so it just sits there… log off once and tap Reset in Copilot’s app settings that rebuilds th broken state cleanly.


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