DPC_WATCHDOG_VIOLATION Blue Screen in Windows 10

Some Windows 10 users have been reporting that they occasionally receive a DPC_WATCHDOG_VIOLATION Blue Screen, with a Bug Check code of 0x00000133, when working on their computer.

Apparently, this issue occurs because the iastor.sys driver, is not compatible with Windows 10. Microsoft is aware of this problem and is currently investigating ways to solve this issue, by preventing the driver from being migrated when upgrading to Windows 10.



As a workaround, you need replace the problematic driver with the Microsoft iastor.sys driver.

If you cannot boot normally, we suggest you boot Windows in Safe Mode and then follow this procedure.

Right-click on the Start button to open the WinX Menu and select Device Manager. Expand IDE ATA/ATAPI controllers.

iastor.sys driver

Select the controller with SATA AHCI in its name. 

To verify that you’ve selected the right controller, right-click the controller, select Properties, click the Driver tab, and then Driver Details. Verify that iastor.sys is a listed driver, and click OK.

Now, from the Driver tab, select Update Driver. Next, select Browse my computer for driver software.

update driver

Select Let me pick from a list of device drivers on my computer, and then finally select Standard SATA AHCI Controller.

Click on Next and follow the procedure to install the driver.

Restart your Windows 10 computer.

This should help!


This post gives you additional tips on fixing Blue Screen of Death in Windows 10.

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Anand Khanse is the Admin of TheWindowsClub.com, a 10-year Microsoft MVP Awardee in Windows (2006-16) & a Windows Insider MVP. Please read the entire post & the comments first, create a System Restore Point before making any changes to your system & be careful about any 3rd-party offers while installing freeware.