dot4.sys

I have a BSOD problem caused by Dot4.sys very often but I have no idea what is causing it. SYSTEM_SERVICE_EXCEPTION Dot4.sys+e23f IEEE-1284.4-1999 Driver Windows (R) Win 7 DDK driver Windows (R) Win 7 DDK provider 6.1.7600.16385 built by: WinDDK x64 ntoskrnl.exe+1aab90