Sentinel LDK runtime installation fails with error 577 – digital signature verification failure

Ensure you are using the latest runtime package available at:

These drivers are digitally signed but the machine or specific machine configurations might fail to verify the signature. In this case:

1) Open command prompt in elevated mode (Run As Administrator) and execute the following commands:


bcdedit -set TESTSIGNING ON

2) Reboot the machine

3) Try installing the Runtime drivers again after the machine has rebooted

Note: to re- enable driver signature verification, execute the following cmd-line commands 

bcdedit -set loadoptions ENABLE_INTEGRITY_CHECKS

bcdedit -set TESTSIGNING OFF

and reboot the machine.