: Originally attributed to developers known as "Chingachguk & Denger2k". Why Windows 11 Blocks multikey.sys
: Emulates a hardware USB dongle to allow protected software to run without a physical key. : Originally credited to "Chingachguk & Denger2k". : Typically located in C:\Windows\System32\drivers\multikey.sys : Modern Windows 11 security features, specifically Memory Integrity (HVCI) Driver Signature Enforcement multikey.sys windows 11