#Windows 10 #Hello Errors 0x801c004d or 0x80070490 occurs only if you receive either “not recognize pin and fingerprint” or “unable to enroll a device” along with a failed error message 0x80070490.
Re-create PIN, restart the CNG Key Isolation services, and reset TPM are some advanced solutions to fix the problem.
https://outsourcepath.com/resource/windows-10-hello-errors-0x801c004d-or-0x80070490