Easy Fix Without Reinstalling

Fix for the Windows App

1. Open Windows Settings.

2. Navigate to:

   Apps > Installed apps > Windows App
   

3. Scroll down to the app options.

4. Click Terminate.

5. Click Reset.

6. Re-launch the Windows App.

7. Sign in using your DoD account.

That should fix the issue.

If the Error Happens in a Normal Browser

If you see the same error in a regular browser and closing/reopening the browser does not work:

1. Close the browser completely.
2. Re-open the browser.
3. Clear your browser cookies.
4. Clear your browser cache.
5. Try signing in again.