If you are using Windows 10, then chances are you might be facing the error DPC_WATCHDOG_VIOLATION which is a blue screen of death (BSOD) error. This error has a stop code 0x00000133, and you need to restart your PC again to access it. The main problem is that this error occurs frequently and then PC collects information before restarting. In short, when this error will occur, you will lose all your work which is not saved on your PC.

Why DPC_WATCHDOG_VIOLATION Error 0x00000133 occurs?

Well, the main reason seems to be the iastor.sys driver which is not compatible with Windows 10. But it’s not limited to this as there can be other reasons such as:

  • Incompatible, corrupted or outdated drivers
  • Corrupted System files
  • Incompatible Hardware
  • Corrupted Memory

Also, sometimes the third party programs seem to cause the above issue as they become incompatible with the newer version of Windows 10. So it would be a good idea to uninstall any such program and cleaning up your PC for unused programs and files. Anyway, without wasting any time let’s see how to actually Fix DPC_WATCHDOG_VIOLATION Error 0x00000133 with the below-listed troubleshooting guide.


Make sure to  create a restore point  just in case something goes wrong.

Method 1: Replace the problematic driver with the Microsoft storahci.sys driver

1. Press Windows Key + R then type devmgmt.msc and hit Enter to open Device Manager.

2. Expand IDE ATA/ATAPI controllers and select the controller with SATA AHCI name in it.

3. Now, verify that you select the right controller, right-click on it and select Properties. Switch to Driver tab and click on Driver Details.

4. Verify that iaStorA.sys is a listed driver, and click OK.

5. Click Update Driver under the SATA AHCI Properties window.

6. Select Browse my computer for driver software.

7. Now click Let me pick from a list of device drivers on my computer.

8. Select Standard SATA AHCI Controller from the list and click Next.

9. Reboot your PC to save changes.

Method 2: Run System File Checker (SFC) and Check Disk (CHKDSK)

1. Press Windows Key + X then click on Command Prompt (Admin).

2. Now type the following in the cmd and hit enter:

3. Wait for the above process to finish and once done, restart your PC.

4. Next, run  CHKDSK to Fix File System Errors .

5. Let the above process complete and again reboot your PC to save changes.

Method 3: Run DISM (Deployment Image Servicing and Management)

1. Press Windows Key + X and click on Command Prompt(Admin).

2. Type the following and press Enter:

3. Let the DISM command run and wait for it to finish.

4. If the above command doesn’t work, then try on the below:

Note: Replace the C:\RepairSource\Windows with your repair source (Windows Installation or Recovery Disc).

5. Reboot your PC to save changes.

Method 4: Run Driver Verifier

This method is only useful if you can log into your Windows normally not in the safe mode. Next, make sure to create a System Restore point.

Run Driver Verifier  in order Fix DPC_WATCHDOG_VIOLATION Error 0x00000133. This would eliminate any conflicting driver issues due which this error can occur.


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That’s it you have successfully Fix DPC_WATCHDOG_VIOLATION Error 0x00000133 but if you still have any questions regarding this post then feel free to ask them in the comment’s section.