Critical Process Died in Windows 10/11: 10 Fixes to Try

A Critical Process Died stop code (CRITICAL_PROCESS_DIED, bug check 0x000000EF) is a Blue Screen of Death (BSOD) error. It means a vital Windows process has stopped running or has been corrupted, so Windows crashes and restarts to prevent further damage.

This post explains what causes the Critical Process Died blue screen and how to fix Critical_Process_Died Windows 10 and Windows 11, step by step.

Causes of Critical Process Died Windows 10/11

The stop code Critical Process Died can be caused by a variety of issues. Here are some common causes:

• Peripheral device malfunction: Connecting a faulty external device (such as a USB drive, external hard drive, or mouse) can sometimes cause the Critical Process Died blue screen error.
• Corrupted system files: Damage or loss of certain important files in the operating system can prevent critical processes from running properly, triggering this error.
• Memory problems: If the computer’s RAM has a problem, such as a damaged memory module or poor contact in the slot, it can also cause Critical Process Died Windows 11.
• Driver conflicts or outdated drivers: Incompatible or outdated drivers may conflict with system processes, leading to a blue screen Critical Process Died error.
• Software conflicts or virus infection: Certain malware, viruses, or incompatible software can interfere with system processes, causing Windows stop code Critical Process Died error.
• Hard drive problems: If the hard drive has bad sectors or other hardware failures, it may also prevent data from being read correctly, leading to system crashes and BSOD Critical Process Died.

Next, the following content will introduce several methods to resolve the “BSOD Critical Process Died” problem. First, perform some basic checks, then gradually delve deeper to troubleshoot and fix hardware issues.

Here is a video guide:

Solution 1: Perform Quick Fixes

When you encounter the Windows stop code Critical Process Died, you should try the following immediate actions:

1. Restart PC: A simple reboot can clear temporary system errors by closing all running programs and processes. This action reloads the operating system and may resolve Critical Process Died blue screen problems caused by issues such as cache, temporary files, or program errors.
2. Disconnect all peripheral devices: Disconnect all non-essential peripheral devices (such as USB, external drives, scanners, speakers, etc.) to see if a faulty peripheral device is causing the Critical Process Died blue screen problem.
3. Reseat or remove a RAM stick: If your PC has multiple RAM modules, shut it down, reseat each module, or boot with only one stick at a time. Some users report that this fixes the stop code Critical Process Died caused by a faulty module or poor slot contact.

If this does not solve your problem, please try the following solutions.

Solution 2: Try Startup Repair

Startup Repair is a more advanced troubleshooting tool built into Windows. It is specifically designed to fix startup problems and issues that prevent Windows from loading normally.

Step 1: Hold the Shift key down, click the Power icon, and then select Restart.

Step 2: When your device restarts to the Choose an option section, select Troubleshoot > Advanced options > Startup Repair.

Step 3: After that, you might need to select an account and enter your password or BitLocker recovery key.

Windows will scan your computer for issues and try to resolve them automatically before restarting.

Solution 3: Update/Rollback Drivers

Outdated drivers (especially graphics and network drivers) are one of the causes of the Critical Process Died error on computers. Therefore, you should update or roll back your drivers.

Here is the guide:

1. Press Win + X, and then select Device Manager.
2. Expand the Display adapters category, right-click the graphics card, and select Update driver.
3. Choose Search automatically for drivers and follow the on-screen instructions.

Solution 4: Check for Malware

By checking for and removing malware, system failures caused by viruses or malware can be repaired, ensuring that system files and the operating environment return to normal, thereby resolving the “blue screen Critical Process Died” error.

Here are the steps:

1. Go to Settings > Privacy & security (Win 11) or Update & Security (Win 10) > Windows Security > Virus & threat protection.
2. Click Scan options and select Full scan.
3. Click Scan now and follow prompts to remove detected threats.

Solution 5: Uninstall Recent Updates

Sometimes, Windows updates may introduce new drivers, system files, or patches that are incompatible with existing hardware or software, causing blue screen errors.

If your Critical Process Died blue screen problem occurred after a recent update, uninstalling those updates is usually an effective solution.

Here are the steps to uninstall recent Windows updates in Settings.

Step 1: Go to Settings > Update & Security > Windows Update > View update history > Uninstall updates (or Settings > Windows Update on Win 11).

Step 2: Click the Uninstall updates link and follow the on-screen prompts.

Solution 6: Perform a Clean Boot

A clean boot loads only the core files and drivers Windows needs, which helps you find the software behind the Critical Process Died blue screen.

Step 1: Press Win + R, type msconfig, and click OK.

Step 2: Under the Services tab, check Hide all Microsoft services, then click Disable all.

Step 3: Under the Startup tab, click Open Task Manager, and disable all startup items.

Step 4: Close Task Manager, click OK, and restart your PC. If the error disappears, re-enable the services and startup items one by one to find the culprit.

Solution 7: Run SFC & DISM Scans

Corrupted system files can cause a “BSOD Critical Process Died” error. To resolve this issue, you can run DISM and SFC scans, which are designed to repair corrupted or missing system files, repair the Windows image, and restore the stability of the operating system.

Step 1: In the search bar, type cmd and then select Run as administrator from the right side.

Step 2: Type DISM /Online /Cleanup-Image /RestoreHealth and press Enter. This command will scan and repair corrupted files, components, or update files in the Windows system image.

Step 3: After DISM finishes running, type sfc /scannow and press Enter. This command will scan protected system files in Windows and repair corrupted or missing files.

Solution 8: Perform System Restore

Performing a system restore can revert your computer to a previous stable state to resolve system problems such as blue screens, program crashes, or driver conflicts.

System restore will not affect personal files, but it will restore system settings, installed programs, and system files to the state they were in at the restore point you selected.

Step 1: Type Create a restore point in the Search box and choose Open on the right side.

Step 2: Under the System Protection tab, click the System Restore button.

Step 3: Click Next. Then, choose a system restore point and tap Next.

Step 4: Click Finish to confirm.

Restart your computer to check if the “Windows stop code Critical Process Died” issue is resolved.

Solution 9: Test RAM

The blue screen Critical Process Died Windows 11 can sometimes be caused by memory problems, so you can run the Windows Memory Diagnostic tool to test the RAM.

Step 1: Press Win + R to open the Run window.

Step 2: Type mdsched.exe in it and click OK.

Step 3: In the pop-up window, click Restart now and check for problems (recommended).

Step 4: After the memory test is complete, your computer will automatically restart. To view the test results, press the Win + X keys and select Event Viewer.

Step 5: Go to Windows Logs > System, right-click System, search for MemoryDiagnostic in the box, and then click Find Next to see the results.

Solution 10: Check Disk

Disk errors or bad sectors can cause a “Critical Process Died” blue screen error. The CHKDSK command checks the health of the disk and repairs errors that could cause system crashes.

Here are the steps:

Step 1: Type Command Prompt in the search box and choose Run as administrator.

Step 2: In the Command Prompt window, type chkdsk *: /f /r and press Enter. Replace “*” with the letter of your drive.

• /f: It fixes any errors it detected.
• /r: Locate bad sectors on the drive and try to recover any readable information from them.

Clone the Disk to Another One

When you suspect a disk problem, it is recommended to use MiniTool Partition Wizard to clone the entire disk (including data and system) to another one to prevent potential data loss. Then, use the new disk to boot up the computer.

How to use this software to clone a disk to another one? Please refer to the following guide:

MiniTool Partition Wizard DemoClick to Download100%Clean & Safe

Step 1: Connect the new disk to your computer. If your computer has only one hard drive bay, an NVMe/SATA to USB adapter is needed.

Step 2: Launch MiniTool Partition Wizard to its main interface.

Step 3: Right-click the system disk and choose Copy.

Step 4: Select the new disk as the target disk and then click Next > Yes.

Step 5: Check the copy options and disk layout, and click Next. You can adjust the size and location of the partitions by dragging the sliders.

• The Align partitions to 1MB option is usually checked by default, which is recommended for optimal performance.
• The Use GUID Partition Table for the target disk option is recommended to select if the new hard drive is larger than 2TB and your computer supports UEFI boot.

Step 6: Read the NOTE information and click Finish.

Step 7: Click Apply to start the migration process.

After the migration is complete, shut down the computer and install the new disk. Then, start the computer and press the BIOS key to enter the BIOS/UEFI settings, and set the new disk as the preferred boot device.

Note: If you find that you have lost data after a blue screen, you can use the data recovery function of MiniTool Partition Wizard. It can recover data lost due to disk failure, file system errors, or virus attacks.

My computer encountered a “Critical Process Died” error, which made me very anxious as I didn’t know what to do. Fortunately, this article provides some practical solutions that ultimately helped me resolve the problem.Click to Tweet

Bottom Line

The Critical Process Died stop code usually points to a driver, system file, memory, or disk problem. Start with the quick fixes, then work through driver updates, malware scans, SFC/DISM, system restore, and hardware tests.

If none of them works, back up or clone your disk with MiniTool Partition Wizard, then reset or reinstall Windows, or contact a professional repair service. For issues related to MiniTool software, feel free to send an email to us via [email protected].