Since Windows Vista, Microsoft has required that all kernel-mode drivers be digitally signed by a certificate trusted by Microsoft. With Windows 10 and 11, DSE is enforced even more strictly, requiring EV (Extended Validation) certificates for certain driver types. This prevents attackers from loading malicious rootkits or cheats.
your .sys driver and the vulnerable iqvw64e.sys in the same folder as kdmapper.exe . Kdmapper.exe Download
This will almost certainly trigger Windows Defender. Disable real-time protection only in an isolated VM without network access. Since Windows Vista, Microsoft has required that all