The Windows 11 PIN error 0x80090027 blocks users from using their PIN or Windows Hello sign-in methods, making them rely on password authentication instead. This error typically appears when there’s a problem with the PIN system, TPM settings, or system files.
Method 1: Reset Windows PIN
The quickest and most reliable solution is to reset your PIN directly from the login screen.
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Click “I forgot my PIN” on the login screen
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Type your Microsoft Account password when prompted
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Complete the two-factor authentication if enabled
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Select “Continue” to move forward
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Set up your new PIN and click “OK”
Method 2: Remove existing PIN data
When resetting doesn’t work, manually removing PIN data often resolves persistent issues.
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Launch File Explorer using Windows+E
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Navigate to this path:
C:\Windows\ServiceProfiles\LocalService\AppData\Local\Microsoft
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Enable hidden items if needed
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Access the Ngc folder
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