![After Windows Update (automatic) Red Message "Invalid Signature detected. Check Policy in Setup" - Dell Community After Windows Update (automatic) Red Message "Invalid Signature detected. Check Policy in Setup" - Dell Community](https://vjauj58549.i.lithium.com/community/s/legacyfs/online/en/communityserver.discussions.components.files/3518/IMG_20171216_075813%20small.jpg)
After Windows Update (automatic) Red Message "Invalid Signature detected. Check Policy in Setup" - Dell Community
![I've recently opened my Asus Laptop to find that it is telling me "Secure Boot Violation Invalid signature detected. I've recently opened my Asus Laptop to find that it is telling me "Secure Boot Violation Invalid signature detected.](https://f01.justanswer.com/1uJXs8wx/15579085975248119716898369449899.jpg)
I've recently opened my Asus Laptop to find that it is telling me "Secure Boot Violation Invalid signature detected.
Invalid signature detected. Check secure boot policy in setup · Issue #1666 · ventoy/Ventoy · GitHub
![Invalid signature detected. Check secure boot policy in setup · Issue #1666 · ventoy/Ventoy · GitHub Invalid signature detected. Check secure boot policy in setup · Issue #1666 · ventoy/Ventoy · GitHub](https://user-images.githubusercontent.com/29574622/173393546-0f71a7f0-b100-416e-98d7-5a37e1af98cf.jpg)