Fix: System Thread Exception Not Handled for Windows 10 / 8

System Thread Exception Not Handled for Windows – The dreaded blue screen error with the message “System Thread Exception Not Handled” displayed across your monitor is a common enough problem and we get hundreds of queries regarding this. This BSOD (Blue Screen Of Death) error also lets you know that your PC has run into unexpected problems and will need to be restarted. It will request you to wait for a while till the system collects the relevant information about the error before restarting your computer.

Normally, a corrupt VGA driver is the cause of this error and can be solved by re-installing/updating the corrupt video adaptive driver once again. In most cases, the system comes online normally after the computer restarts. In many cases, it doesn’t solve the error and you continue to see the BSOD and your computer then gets caught in a constant loop of restarting and rebooting in an attempt to fix the error.

System Thread Exception Not Handled for Windows
System Thread Exception Not Handled for Windows

Apart from these, there are other causes of displaying the System Thread Exception Not Handled error, such as missing Windows registry files, corrupted Windows system files, corrupt BIOS and even damaged hard drive, besides outdated or malfunctioning video graphic drivers.

Thankfully, there are several solutions to this problem now.

How to Fix System Thread Exception Not Handled Windows 10 / 8

Check out some of the best fixes and solutions for System Thread Exception Not Handled error on your Windows 10 and Windows 8 operating systems.

Fix 1 – Update Driver

Malfunctioning display/graphic drivers are often the cause for users getting the system thread exception not handled error on their screen. This error message is followed by the extension ‘igdkmd64.sys’.

This normally indicates a problem with the Inter Graphics Kernel Mode driver. This driver helps to power the Windows OS basically. If the graphics driver is not functioning or is having problems in working in-sync with other drivers and programs then it becomes impossible to start your computer.

To get rid of system thread exception not handled error due to the faulty display driver, follow these simple steps:

Steps:

  1. Press the Windows key and R simultaneously on your keyboard to initiate the Run Command
  2. Type in – cmd – in the bar before pressing Enter
  3. Next, type in – eventvwr – before pressing Enter
  4. Maximize the Windows Logs
  5. Click on System
  6. Click on the tab titled Source

This shows the specific driver on your PC which is causing the System Thread Exception Not Handled error. Once you know which driver is causing the error you simply need to right-click on its icon and update it to the latest version.

Fix 2 – Update BIOS

In interrupted request (IR) or memory conflict (MC) can render the Basic Input Output System (BIOS) ineffective for use and prevent you from booting your PC by displaying the System Thread Exception Not Handled error message with the blue screen. Updating your BIOS can effectively fix this problem for Windows 10 and Windows 8 users.

However, first, you will need to visit the website of the manufacturer of your PC’s motherboard to check if an update is available for your BIOS version. Ensure you know the product name of your motherboard before visiting the website to get the correct information.

Here’s how you can learn the specific make/model of your PC’s motherboard:

Steps

  1. Press Windows Key and R simultaneously on your keyboard
  2. Type in – cmd – in the bar before pressing Enter
  3. Then, type – wmic baseboard get manufacturer, product – and press Enter

Once you know the make and model of the motherboard you will simply need to select the relevant one from the manufacturer’s website and choose to update your BIOS. Normally, BIOS file is either in a .exe or .zip format. It might look complex at first, but be assured that the manual/guide that comes along with the installation files is sufficient to follow the instruction and successfully get your PC’s BIOS updated to the latest version.

Fix 3 – Check for Compatibility

Often, incompatible hardware in your system also results in you seeing the System Thread Exception Not Handled error on your screen. Often, the dreaded blue screen of death is seen when you restart your computer after upgrading to Windows 10.

In such a case, it is highly recommended to check if any of the hardware integrated into your system is not compatible with the Windows 10 OS. You can easily do this by comparing the hardware installed in your PC with the required hardware for Windows 10 by checking out its specifications online.

Fix 4 – Restart in Safe Mode

In some cases, the error System Thread Exception Not Handled is also seen after signing on to Windows, at the moment you enter the Windows GUI or log-in screen. In case, the system does not permit you to simply restart your computer, then follow this solution to fix System Thread Exception Not Handled error on your Windows 10 and Windows 8 computer:

Steps:

  1. Press SHIFT and choose to Restart from the Power Menu
  2. Once your system restarts, select ‘Troubleshoot’ from the booting menu
  3. Next, click on Advanced Settings and choose Startup Setting from the menu
  4. Next, click on Restart
  5. Next, press 4 on your keyboard and start Windows in the SAFE MODE
  6. Once computer restarts, press Windows Key and R to open the Run command box
  7. Type in – devmgmt.msc – before pressing Enter
  8. Expand the list of drivers installed on your system
  9. Scroll over to the display driver(s) installed on your system and press right-click on it before selecting Uninstall Device option
  10. Once driver(s) gets uninstalled successfully, you need to restart your computer

Once you restart after uninstalling the display drivers, Windows automatically detects the available drivers and installs them correctly this time to avoid showing the error. The drivers are normally installed automatically however in case you need to install the driver manually, simply follow the step-wise instructions on each screen.

Hopefully, one of these will turn out to be the right fix for System Thread Exception Not Handled error on your PC.

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