Windows Blue Screen When Printing To Kyocera

Windows users across the globe that use Kyocera printers have had a blue screen pop up when trying to print after installing Windows update - KB50000802.

Windows updates - got to love em. If they don't steal your time loading and slowing down your pc they add blue screen errors to the list. Although essential to the security and stability of our Windows pc's, the last thing you expect is for it to cause instability.

Windows users that installed the Windows "KB50000802" update will get a blue error screen. The blue screen stop code "APC_INDEX_MISMATCH" "Win32kfull.sys" comes after trying to print to any of several models of Kyocera printers.  The error can not be resolved by updating the Kyocera printer driver.

How to fix "APC_INDEX_MISMATCH" Windows blue screen error

The fix is pretty simple really, just uninstall the Windows update "KB50000802"

Do this by going to "Settings" click on "Update & Security" click on "Windows Update"

Click on "View update history"

Check to see if the update "KB50000802" is listed, if it is, move to the next step.

Click on "Uninstall updates"

Select "Security update for Microsoft Windows (KB50000802)" then click on uninstall.


Once the update has been uninstalled you will be prompted to restart your computer.

As a further step I recommended to pause updates for a while until Microsoft releases a fix.

On the "Windows Update" screen go to "Advanced options"

Go to the "Pause updates" section

Choose a future date to pause updates until that day. I suggest two or more weeks.