
Microsoft Store Authentication Failed After Update: Fixes
After a Windows update, you might see "Authentication failed" when trying to sign in to the Micro...
Software troubleshooting desk

After a Windows update, you might see "Authentication failed" when trying to sign in to the Micro...

If the Microsoft Store won't load, apps fail to download or update, or you see error codes like 0...

You're logged in as an administrator, but Wi...

After a Windows update, you might see backup error 0x80070001. This often means "Incorrect functi...

When you try to run Windows Update commands like wuauclt /detectnow or UsoClie...

You see a "version mismatch" error when opening a scheduled task that was created on a different ...