void __fastcall ExUnsubscribeWnfStateChange(VOID *a1){
_ETHREAD *CurrentThread;
CurrentThread = (_ETHREAD *)KeGetCurrentThread();
--CurrentThread->Tcb.KernelApcDisable;
ExpWnfDeleteSubscription(a1, PsInitialSystemProcess);
KeLeaveCriticalRegionThread(KeGetCurrentThread());
}