DPC Watchdog Violation is a problem which a lot of Windows 10 users have faced at some point of time. When that happens, users usually see a Blue Screen and a 0x00000133 bug check code. This issue can be extremely frustrating and difficult to resolve at times. Your system usually restarts automatically and prevents you from saving crucial data, including tasks that you worked on when the watchdog violation happened. If you have faced watchdog violation error sometime in the past, or are facing one now, this post is just for you. We will take a detailed look at the DPC watchdog violation error, the reasons behind it and how to resolve the issue. Let’s get started.
Watchdog Violation Error in Windows: All You Need to Know
What is a DPC Watchdog Violation error?
A DPC Watchdog Violation is a type of error that occurs in systems running on the Microsoft Windows operating system. DPC stands for Deferred Procedure Call. Watchdog is used to denote a bug checker. A bug checker’s job is to monitor all of the processes on Windows and the background performances. The check value of the bug checker is 0x00000133. The violation message is displayed when the bug checker has to wait for a longer-than-usual duration (usually over 100 microseconds). When the Bug Checker fails to find a response, it displays the error message.
Why Do I Keep Getting DPC Watchdog Violation?
There are multiple reasons which can lead to display of the DPC Watchdog Violation error message on a Windows 10 system. Here they are:
- The blank blue screen also known as BSOD (Blue Screen of Death) can be brought about as a result of the hardware incompatibility of your system (PC/Laptop). When you attempt to connect incompatible hardware such as a particular type of unsupported graphics card or an external hard disk, the DPC watchdog violation error message occurs.
- If the firmware or driver of hardware that is connected to your device isn’t supported, the blue screen of death will pop up. This can occur when an external hardware device is connected for the first time or after a long period of time.
- The watchdog violation error can also be caused by rising conflicts between multiple software applications. The details of this can be accessed through the device manager.
You might have noticed by now that the dreaded DPC Watchdog violation error can be caused by numerous factors. You can even suffer from it while updating software on your computer or after having installed some new software. Sometimes, it can just occur out of the blue.
DPC Watchdog Violation errors can also be caused when the system requires to refresh all its hardware drivers. It might also happen when your drive is filled with files that are not supported by the current Windows 10 version.
How to fix DPC Watchdog Violation Errors?
Update your drivers
If your solid state drive (SSD) housing your Windows 10 files contains some old firmware that is not supported by the current version of your Windows 10, you will need to update your drivers to get rid of the DPC Watchdog Violation Errors Here’s how you can do it:
- Press the Windows button and E simultaneously to open the File Explorer or you can choose Computer/my computer/This PC from the desktop.
- Find the Computer from the panel’s left side and use right-click to open it. Choose the Manage option.
- In the pop-up window that appears, choose the ‘Device Manager’ option present on the left side.
- In the list that opens under Device Manager choose SSD. Note down the important details including model number and related details.
- Visit the manufacturer’s website and download the necessary updates needed for the SSD.
Change SATA AHCI controller
You can use this method when the DPC Watchdog Violation Error is caused by an error in a connected storage device or memory of your computer.
In order to fix this situation, you will have to change the SATA AHCI controller. This is a driver that is necessary for data exchange occurring between storage devices in your system and its memory.
The driver works by verifying the compatibility of the data and providing an efficient output. The DPC Watchdog Violation error caused because of this can be fixed by changing SATA AHCI driver. Here’s how you can do it:
- Press X button and Windows key button simultaneously.
- Choose the ‘Device Manager’ option in the menu page that opens.
- When you go to the Device Manager option, choose the IDE ATA/ATAPI controllers feature here.
- Expand the controller feature.You will find the SATA AHCI controller under IDE ATA/ATAPI controller. Use right-click and choose properties from the SATA AHCI controller.
- To ensure you have chosen the right controller from the driver choose Driver details from Driver Tab. Check whether iaStorA.sys is under the driver list. Now click on the OK button to exit.
- Now choose the ‘Driver’ option and click on ‘Update driver’ feature.
- Next, choose the ‘Browse my computer for driver software’ option.
- Now choose the, ‘Let me pick from a list of device drivers on my computer’.
Scan your hard drive for disk errors
One of the biggest reasons why DPC Watchdog Violation Errors occur is because of the presence of corrupt files. You need to scan your system in order to detect the corrupt files. Here is how you do it:
- Open the Command Prompt feature and enter the following: CHKDSK C: /F /R. Now press the ‘Enter’ option.
- The system will prompt you to restart the system or schedule a convenient time for restarting. Select accordingly and press Enter.
- This process may take some time to complete when you do this for the first time. However, when you reboot subsequently, it will be easy to verify the files and identify the corrupted ones.
- Now choose ‘SATA AHCI Standard Controller’ and select the ‘Next’ button. Complete the procedure onscreen.
- Reboot your system. To avoid the error from recurring again, it is best to repeat this procedure every time there is a Windows update.
Run Event Viewer
The Event Viewer is a great tool for helping you identify the reason behind the DPC Violation Error that might be causing the blue screen of death on your system. Here’s how you can use the Event Viewer to fix the DPC Watchdog Violation error:
- Press R and Windows Key simultaneously and enter ‘eventvwr.msc’ in the Run box. Click on ‘OK’ to open the Event Viewer.
- Find Windows Logs from the left side of the panel. Choose the ‘System’ option.
- You can find the logs that have Error or Warnings marked in the central part of the panel. You can then diagnose the cause behind the violation error.
- This will help you identify and choose the right troubleshooting method to rectify the error.
So these were some of the common methods to help you resolve the DPC Watchdog Violation Error on your system. If none of these steps help solve your problem, you should probably consider getting in touch with the tech support of your system’s manufacturer or a professional technician who repairs/fixes hardware software issues.