Fix: IRQL_GT_ZERO_AT_SYSTEM_SERVICE error on Windows 10

By: Milan Stanojevic
5 minute read

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Blue Screen of Death errors are one of the most troublesome errors on Windows 10. These types of errors are often caused by incompatible software and hardware, and in most cases your computer will automatically restart whenever it encounters this type of error. Since these types of errors can cause so much problems, today we’re going to show you how to fix IRQL_GT_ZERO_AT_SYSTEM_SERVICE error.

Fix IRQL_GT_ZERO_AT_SYSTEM_SERVICE BSoD error

Quick solution to fix various PC errors

  • Step 1: Download this PC Scan & Repair tool
  • Step 2: Click “Start Scan” to find Windows issues that could be causing BSOD errors in Windows 10
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Solution 1 – Download Windows updates regularly

These types of errors are usually caused by incompatible hardware or software, therefore it’s crucial for you to run Windows Update and to download the latest updates. Many of these updates come with new features, but in addition to new features, Windows updates often fix many software or hardware related issues, and since IRQL_GT_ZERO_AT_SYSTEM_SERVICE error is caused by these issues, it’s crucial for you to keep Windows 10 up to date.

Solution 2 – Update your

Drivers are essential component of every operating system, and if your drivers are outdated or corrupted, you might get IRQL_GT_ZERO_AT_SYSTEM_SERVICE error. In order to avoid these types of errors, it’s highly advised to update your drivers frequently. Updating your drivers is relatively simple, and the easiest way to do it is by using Device Manager.

Using the Device Manager to update drivers might not always be the best solution, but you can always download all the necessary drivers directly from your hardware manufacturer. Your hardware manufacturer will have the latest drivers, and in order to download them simply visit its website, locate the model of the device you want to update and download all the necessary drivers for it. Bear in mind to update as many drivers as you can in order to avoid any BSoD issues.

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Downloading drivers manually can be a long and tedious process. Outdated drivers can often cause crashes, file loss and even permanent damage to your computer. DriverUpdater quickly and automatically downloads all the drivers that you need:

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BSoD errors can cause data loss and system instability, therefore it’s crucial that you update all your drivers. You can easily update all drivers on your Windows 10 PC by using this Driver Update software.

Solution 3 – Uninstall problematic software

According to users, IRQL_GT_ZERO_AT_SYSTEM_SERVICE error can often be caused by problematic software, and in order to fix this issue, it’s advised to locate and remove the problematic application.

Often cause for these types of errors is your antivirus software, and many users reported issues with Bitdefender, so it’s highly recommended that you uninstall it. In addition to uninstalling Bitdefender, you should use the dedicated uninstaller tool to completely remove it. Many antivirus programs leave certain files and registry keys after you uninstall them, and in order to completely remove antivirus software from your PC and fix the IRQL_GT_ZERO_AT_SYSTEM_SERVICE error, it’s important to use the proper uninstaller tool. Many security companies offer these tools for download, so be sure to get one.

It’s worth mentioning that almost any antivirus tool can cause a BSoD error, and in order to fix this problem it’s recommended to remove all third-party antivirus tools. Even if you remove your antivirus tool, you computer still has Windows Defender, so you won’t be completely unprotected.

In addition to antivirus, many users reported that other software, such as SoundTap, NCH Software Suite or even Bluestacks and Andy OS can cause IRQL_GT_ZERO_AT_SYSTEM_SERVICE error. In order to fix this issue, it’s highly recommended to remove the aforementioned software. If you need to use any of these tools, you can try installing the latest version that hopefully doesn’t have the same issues.

These are just some common causes for this error, and bear in mind that almost any application can cause this error to manifest, so be sure to remove any application that you installed or updated in the last couple days or weeks.


For various PC problems, we recommend this tool.

This software will repair common computer errors, protect you from file loss, malware, hardware failure and optimize your PC for maximum performance. Fix PC issues now in 3 easy steps:

  1. Download this PC Repair Tool rated "Excellent" on TrustPilot.com.
  2. Click “Start Scan” to find Windows issues that could be causing PC problems.
  3. Click “Repair All” to fix all issues with Patended Technologies (requires upgrade).

Solution 4 – Disable Hyper-V

Many users are claiming that disabling Hyper-V in Windows 10 fixes the IRQL_GT_ZERO_AT_SYSTEM_SERVICE error. Disabling Hyper-V is rather simple, and you can do it by following these steps:

  1. Press Windows Key + S and enter windows features. Select Turn Windows features on or off.
    advanced-features
  2. Once the Windows Features window opens, locate Hyper-V and uncheck it.
    hyper-v
  3. Click OK to save changes.

After disabling this feature problems with IRQL_GT_ZERO_AT_SYSTEM_SERVICE should be resolved.

Solution 5 – Update your BIOS

In some cases these types of errors can appear if your BIOS is out of date, and in order to fix this problem it’s advised to update BIOS. Updating BIOS is an advanced procedure, and if you decide to perform it, we advise you to be extra careful. To see how to update your BIOS, you need to check your motherboard manual for detailed instructions. As for required files, you can download the latest BIOS for your motherboard from your motherboard manufacturer’s website. Bear in mind that you can cause permanent damage to your PC if you don’t update BIOS properly, therefore be extra careful.

Solution 6 – Check for hardware problems

As we already mentioned, BSoD errors can be caused by faulty hardware, so it’s advised to check if your hardware is working properly. If you installed any new hardware recently, you need to remove it or replace it and check if your PC is working without it.

In addition to removing new hardware, you need to check if your current hardware is working properly. The most common cause for this error is RAM, and in order to check RAM you’ll need to use a tool such as MemTest86+. Simply move the tool to a USB flash drive, boot your PC from it and let it test your memory for few hours.

If your memory is working properly, you might want to check if other hardware components are working correctly. Finding a faulty component might be difficult, so you might want to contact an expert.

If you’re still having issues with your hardware or you simply want to avoid them for the future, we also recommend you to download this tool (100% safe and tested by us) to fix various PC problems, such as hardware failure, but also file loss and malware.

IRQL_GT_ZERO_AT_SYSTEM_SERVICE error can be troublesome, but in most cases this error is caused by a problematic software, and removing the problematic software will fix the issue in most cases.

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For various PC problems, we recommend this tool.

This software will repair common computer errors, protect you from file loss, malware, hardware failure and optimize your PC for maximum performance. Fix PC issues now in 3 easy steps:

  1. Download this PC Repair Tool rated "Excellent" on TrustPilot.com.
  2. Click “Start Scan” to find Windows issues that could be causing PC problems.
  3. Click “Repair All” to fix all issues with Patended Technologies (requires upgrade).

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