IRQL GT ZERO AT SYSTEM SERVICE Stop Error in Windows 10

If you receive an IRQL_GT_ZERO_AT_SYSTEM_SERVICE Stop Error on your Windows 10/8/7 computer, then this post may interest you. When you receive such a blue screen error, or stop code, the computer is shut down abruptly to protect itself from data loss. A hardware device, its driver, or related software could well be the cause.

IRQL_GT_ZERO_AT_SYSTEM_SERVICE

IRQL GT ZERO AT SYSTEM SERVICE

There is not much information available about this on the net and all that Microsoft says about this Blue Screen is:

The IRQL_GT_ZERO_AT_SYSTEM_SERVICE bug check has a value of 0x0000004A. This indicates that a thread is returning to user mode from a system call when its IRQL is still above PASSIVE_LEVEL.

If you receive this error, here are a few ideas I can offer:

1] Run the Windows 10 Blue Screen Troubleshooter.

2] Make sure you are using the latest version of all your installed software and ensure that your Windows 10 is updated.

3] Ensure that all your Device Drives are updated.

4] Check your system BIOS carefully Is an update available from the manufacturer of the system or motherboard? If so update the BIOS. Check the BIOS documentation carefully; resetting all BIOS options to their defaults can sometimes resolve an issue caused by over tweaking.

5] Run ChkDsk to check your Hard Disk for errors.

6] Run the Windows Memory Diagnostics Tool and Memtest86+ to check your Memory health.

7] There are some advanced Blue Screen troubleshooting suggestions available which you can take a look at.

Hope something helps!

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Anand Khanse is the Admin of TheWindowsClub.com, a 10-year Microsoft MVP Awardee in Windows (2006-16) & a Windows Insider MVP. Please read the entire post & the comments first, create a System Restore Point before making any changes to your system & be careful about any 3rd-party offers while installing freeware.