This guide defines the clock_watchdog_timeout windows 10 error code, its causes, and how to fix it.

What is a Clock Watchdog Timeout BSOD in Windows 10?

The clock_watchdog_timeout is a blue screen stop code with a check value of 0x00000101, and usually points to an issue with your PC’s processor. The error indicates that a clock interrupt on a secondary processor wasn’t received in the allocated time interval in a multiprocessor system. Consequently, this error indicates that the secondary processor is nonresponsive and can’t process interrupts.

Causes of the Clock Watchdog Timeout BSOD in Windows 10

The clock_watchdog_timeout error code can occur before or after you boot your PC, but there are several reasons why you could be getting the error. These include:

Corrupted or bad hardware driversIncompatible Random Access Memory (RAM)Malware or virus infectionOverclocked central processing unit (CPU)BIOS may need to be updatedSoftware conflictSystem file issuesMiscommunication between multi-core processor threadsOutdated firmware and faulty hardware

How to Fix a Clock_Watchdog_Timeout BSOD Error

Before troubleshooting your PC to fix a clock_watchdog_timeout error, you need to back up your files to a cloud storage or external drive. This way, you can recover and restore your files in case something goes wrong. Try the following fixes to resolve the clock_watchdog_timeout error.

Quick Fixes

Scan your PC for malware using the native Windows Defender, or try one of our best malware and virus scanners, and delete any viruses found.Disable your antivirus or security software temporarily and check whether the error persists. If you still see the error, uninstall and reinstall your antivirus or replace it with a stronger security suite.Roll back any recently updated driver.Reinstall your graphics card driver.Perform a System Restore to revert your PC back to the state it was in before getting the clock_watchdog_timeout error.Update Windows to make sure your PC has the latest bug fixes for Windows 10.Uninstall any recent system updates that were installed before the clock_watchdog_timeout error started occurring.

Unplug any external hardware you may have connected to your PC and restart it to check whether the hardware is the culprit. Install the latest drivers for the hardware before using your PC again.If the clock_watchdog_timeout error showed up after installing a particular program, try to uninstall the software to check if it’s the culprit.If you have a solid state drive (SSD), check that its firmware is up to date. If not, visit the SSD manufacturer’s official website to download and install the latest firmware update.Clean your PC, and replace any old hardware components such as the video card, CPU, or motherboard.Reset and Update the BIOS: Your system’s BIOS can help fix any problems with the hardware responsible for the Clock_Watchdog_Timeout error. Resetting and updating the BIOS will restore every component of your PC to its original state before the error occurred. 

Run Windows Memory Diagnostics Utility

The clock_watchdog_timeout error could be caused by memory issues. In this case, you can run the Windows Memory Diagnostic utility that performs a memory check to find any errors and resolve them automatically. If the issue can’t be resolved, replace your memory card. If the Windows Memory Diagnostics tool doesn’t find any issues, then the cause of the clock_watchdog_timeout may not be memory problems.

Roll Back PC Drivers

If the Clock_Watchdog_Timeout error appeared after updating hardware drivers, you can roll back the drivers and see if that helps.

Boot Your PC in Safe Mode

Safe Mode starts Windows 10 with a limited set of drivers and files so you can narrow down the source of the clock_watchdog_timeout error. If you don’t get the error while in Safe Mode, it means the default settings on your PC and basic device drivers aren’t causing the problem. You can start your PC in Safe Mode via the Settings or from the Windows sign-in screen. If you’re unable to open Settings on your PC, you can restart it using the sign-in screen. To do this, downpress the Shift key and select Power > Restart. Follow the same steps to entering Safe Mode from the Choose an option screen.

Perform a Clean Boot

Like Safe Mode, a clean boot starts Windows with a limited set of startup programs and drivers, but it gives you more control over what programs and services run at startup. This way, you can isolate which background program is causing the clock_watchdog_timeout error. Note: If none of the above fixes work, you may have to replace your CPU altogether. We hope you’ve been able to get rid of the clock_watchdog_timeout error using the above solutions. Share with us the fix that worked for you in the comments.

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