If you fail to log in 3 times in a row, you are sure that your username and password are correct, then you should stop logging in and contact customer service.
Ask them if there is a problem with their server or with your account. Remember not to keep trying after several failures, this may cause your account to be closed or cancelled.
Fix problems signing in to the Xbox app
Fix problems signing in to the Xbox app. On your PC, go to Xbox.com and select Sign in. If there are problems with your account, the instructions will help you solve them. If you can’t go beyond the sign-in screen, select Forgot my password and follow the instructions. If that didn’t work, select the Start button > Settings > Time & language.
I can’t sign into the xbox app on my windows 10 PC …
· Solution 3: Reset the Xbox app. Resetting the Xbox app from the Settings menu can help resolve corrupted app data. Here are the steps: Click Start and click Settings. Select System. Select Apps & features. Find the Xbox app and click Advanced options. Click Reset. Restart your device so that the changes can take effect. Sign in to the Xbox app and check if the same issue occurs.
Troubleshooting Xbox Live sign-in – Xbox Live | Microsoft Docs
· Open the Xbox App, and attempt to sign-in using a test account with access to the same sandbox. If you are able to successfully sign-in, this confirms that your development sandbox has been set correctly on your device, and your test account has access to it.
Fix problems signing in to the Xbox app
