Forum Discussion
TayDean
Feb 11, 2023Copper Contributor
Windows Security won't open on Windows 11
I have tried everything I can think of, I've had two friends who deal with IT problems look at my computer via shared screen with no luck. Since updating to Windows 11 I never noticed Windows Securit...
GR4ye
Sep 24, 2025Occasional Reader
I hope this could help you. Check this in your registry just type regedit in run and find this path HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\SecurityHealthService
If SecurityHealthService is missing that is the reason why your windows security is not functioning. Just download it in browser then after you add that in your registry restart your pc/laptop and then try to open it.