Code 52
Windows cannot verify the digital signature (Code 52)
The driver is unsigned or has an invalid signature, blocked by Driver Signature Enforcement.
What you may notice
- Device blocked from starting
Likely Causes
- Installing modified or custom drivers
- Expired certificate
Before changing a driver
Record the exact error code and device name, save open work, and restart the PC once before making a deeper change. Check whether Windows Update or the PC maker has a model-specific package, and create an available restore point before removing software. Stop if the menus or hardware details do not match this guide.
Troubleshooting Windows cannot verify the digital signature (Code 52)
Follow this flowchart to isolate the cause of the error.
How to fix it
Step 1: Disable Signature Enforcement
Boot into Advanced Startup Options and select "Disable driver signature enforcement". Note: This is a temporary fix.