Hi. BD3B1D11 LBD3B1D11: BD3B1D11 8945FC mov [ebp-04h],eax BD3B1D14 8B4E58 mov ecx,[esi+58h] BD3B1D17 2BC1 sub eax,ecx BD3B1D19 8D4DF8 lea ecx,[ebp-08h] BD3B1D1C 51 push ecx BD3B1D1D 50 push eax BD3B1D1E FF7010 push [eax+10h] <- eax=0x00000030 BD3B1D21 E87AB60200 call SUB_LBD3DD3A0 BD3B1D26 E99DB60200 jmp LBD3DD3C8 It seems v5.0.2195.7368 srv.sys general bug.