Fix Windows Hello errors 0x801c004d or 0x80070490

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When yous try to add together the Pivot method to Windows Howdy on a Windows 11/x PC, you might receive an fault code 0x801c004d. Again, at other times, if you try to use your existing Pin, y'all may receive error 0x80070490 – Not recognized. If you are getting these errors, hither are some recommendations to help you mitigate the problem.

Windows Hello errors 0x801c004d or 0x80070490

Windows Hello offers faster access to your PC. Yous can log into your Windows devices 3x faster than a password by using:

The Photographic camera (enables Face recognition)
Fingerprint reader

Either way, Windows Hello recognizes you instantly.

In rare cases, You may receive errors. Today we are covering solutions to the following errors:

0x80070490- Non recognized, Pivot and fingerprint are no longer options for signing in
0x801c004d – Unable to enroll a device to use a PIN for login

If you receive whatsoever of these errors, here'south what to do:

Bank check for Windows Updates
Try to create the Pin again
Check the CNG Key Isolation Service
Reset the TPM
Create a New User Account.

one] Check for Windows Updates

Your device may not be able to update to the latest version of Windows 10 for a few reasons so perhaps giving errors. So, to endeavor and fix this, get to Settings and choose 'Update and Security' section. There, click 'Windows Updates' from the left-pane and Bank check for Updates. Once installed, restart the calculator and check if you can add the Pivot.

If the in a higher place method does not yield results, switch to the next method.

two] Try to create the PIN again

Sign out, sign in, and effort to create the Pivot once more. If this does not help, reboot the device and then try to create the Pivot over again.

3] Check the CNG Key Isolation Service

This service stores and uses long-lived keys in a secure process complying with Common Criteria requirements. A problem associated with it may be causing the issue.

The CNG cardinal isolation service is hosted in the LSA process. The service provides key process isolation to individual keys and associated cryptographic operations every bit required by the Mutual Criteria. The service stores and uses long-lived keys in a secure process complying with Common Criteria requirements.

Then, please check if CNG Key Isolation Service is running and the Startup type is set to 'Transmission (Triggered)'.

Press the Win+R in combination to launch the 'Run' dialog box. In the empty field of the box, type 'Services.msc' and hit Enter to open the Services Manager.

Now, expect for 'CNG Key Isolation' service.

Double-click on it to open CNG Primal isolation properties box and from the 'Startup type', choose 'Manual'. This is the default setting. In case it set to Disabled, it can create problems.

Restart the computer once and check if y'all can add the PIN.

If setting it to Manual does not aid, you may fix information technology to Automatic, then click the Showtime button and so come across if it has helped.

four] Reset TPM

Y'all may reset the TPM or run Clear-TPM and see if this helps.

5] Creating a New User Account

If any of the above methods are not working, you can create a new user account past following the steps from 'Create a local user or administrator account in Windows 10' and check if you are able to add the Pin from this new user account.

If you need more help, perhaps one of these suggestions will help you fix Windows Pin mistake.

A post-graduate in Biotechnology, Hemant switched gears to writing nigh Microsoft technologies and has been a contributor to TheWindowsClub since then. When he is non working, you can usually discover him out traveling to different places or indulging himself in binge-watching.