If you have heard of the Blue Screen of Death or Stop issues on computers and you are facing the 0x000000E9 error, you are actually looking at an example of BSOD. This error code is also known as the ACTIVE_EX_WORKER_THREAD_TERMINATION bug showing the error message ‘Your PC ran into a problem and needs to restart. We’ll restart it for you.’
Active executive worker thread is part of the system’s capacity to execute multiple tasks simultaneously. Encounter the ACTIVE_EX_WORKER_THREAD_TERMINATION error, it appears that there is a problem with your system’s drivers.
Ways to Fix ACTIVE_EX_WORKER_THREAD_TERMINATION Error on PC

BSOD issues related to hardwares are often associated with continual reboot. However, there are several possible methods that can help in resolving the problem.
#1 – Try to Unplug Other External Hardware to your Computer
Your external hardware may be causing the issue, whether it is recently installed or not. You can unplug it first and then restart your computer and see if it works.
#2 – Perform an Offline Scan on Windows Defender
Open the Settings menu and launch Update & Security. Select Windows Security and choose Virus & threat protection. Click the Scan options button. Select Microsoft Defender Offline Scan. Click the Scan Now button.
#3 – Do a Device Performance and Health Scan
On your Windows Settings, go to Update & Security. Select Windows Security. Click Device performance & health. Your computer will start scanning and will show you a health report. It will help you figure out which part of your device is not performing well.
#4 – Disable Fast Startup
Head over to Power Options by pressing Windows key + X. On the right side, click Additional power settings. Select Choose what the power buttons do. Next, click Change settings that are currently unavailable. Look for the Turn on fast startup option and uncheck the box next to it. Click the Save changes button. Restart your computer.
#5 – Update your Drivers
Launch the Search box and enter Device Manager. Click Device Manager from the results. Look for your device driver and right-click on it. Click Update Driver. Click Check for updates and wait for your device to finish the process.
#6 – Perform a System Restore

On the Search box, enter System Restore and open the System Restore window. Go to System Protection and click System Restore. Select a restore point and click Next. Click Finish.
BSOD errors can be frustrating, but trying different ways to troubleshoot them can help you get out of the problem.