1.Check and Enable Cryptographic Services
- Press Win + R, type services.msc, and press Enter.
- Ensure Cryptographic Services, Windows Biometric Service, and Windows Hello for Business are set to Automatic and Running.
2.Restart the TPM
- Press Win + R, type tpm.msc, and press Enter.
- Select Clear TPM (you may need to enable it in BIOS).
- Restart your PC and try signing in again.
3. Delete and Recreate PIN
- Go to Settings → Accounts → Sign-in options.
- Remove your current PIN and set up a new one.
4.Repair Corrupted NGC Folder
- Open File Explorer and navigate to:
- C:\Windows\ServiceProfiles\LocalService\AppData\Local\Microsoft\NGC
- Delete all contents inside the folder (requires admin permission).
- Restart and reconfigure your PIN.
5.Check User Profile Integrity
- Create a new local account and see if the issue persists.
- If resolved, migrate your files to the new account.
6.Run System File Checker and DISM
- Open Command Prompt (Admin) and run:
- sfc /scannow
- DISM /Online /Cleanup-Image /RestoreHealth
7.Disable Third-Party Security Software Temporarily
- Some antivirus tools block secure key processes.
- Disable them and try again.
8.Update Windows
- Go to Settings → Update & Security → Windows Update.
- Install the latest updates to patch authentication issues.