An attempt was made to access a pageable (or completely invalid) address at an
interrupt request level (IRQL) that is too high. This is usually
caused by drivers using improper addresses.
If kernel debugger is available get stack backtrace.
Arg1: f7a9f399, memory referenced
Arg2: 000000ff, IRQL
Arg3: 00000008, value 0 = read operation, 1 = write operation
Arg4: f7a9f399, address which referenced memory
WARNING: Frame IP not in any known module. Following frames may be wrong.
8054a048 80541ee2 00000008 00000202 00000000 <Unloaded_apic.sys>+0x399
8054a04c 00000000 00000202 00000000 0000000e nt!KiIdleLoop+0x12