Windows Blue Screen of Death Error 0x0000004A – IRQL_GT_ZERO_AT_SYSTEM_SERVICE

In this post, you’ll learn about the Blue Screen of Death (BSOD) or Stop Error 0x0000004A-IRQL_GT_ZERO_AT_SYSTEM_SERVICE and the reason why you are receiving the error message in Windows 10 or Windows 11

How does this BSOD Error Message in Windows Looks like

0x0000004A – IRQL_GT_ZERO_AT_SYSTEM_SERVICE

Why do you receive the Error 0x0000004A IRQL_GT_ZERO_AT_SYSTEM_SERVICE in Windows?

This BSOD means that a thread is returning to user mode from a system call when its IRQL is still above PASSIVE_LEVEL. BSOD error code 0x0000004A may also show “IRQL_GT_ZERO_AT_SYSTEM_SERVICE” on the same blue screen.