Windows Hello "Couldn't turn on camera"

Issue

Windows Hello face sign-in does not work, even if roll-back device driver.

Webcam protection module of ESET Internet Security blocked access of svchost.exe to the IR camera, however, the Windows Hello cannot be enabled after the webcam protection has disabled.

In Setup - Computer protection - Webcam Protection - Configure - Webcam Protection - Rules of ESET interface, there is no record ofC:\Windows\System32\svchost.exe .

Solution

  1. Re-install the ESET Internet Security suit.
  2. Turn-on Windows Hello face sign-in.
  3. Press Win + L to lock screen and then unlock screen via Windows Hello. After that, the svchost.exe will be added to the whitelist automatically.