Issue:

How to solve the problem if the Windows system crashes and turns to blue screen error when plotting from ZWCAD?

Causes:

Microsoft launched updates KB5000802 and KB5000808 on March 2021 for Windows 10.Microsoft launched updates KB5000802 and KB5000808 on March 2021 for Windows 10.

These update might cause an "APC_INDEX_MISMATCH for win32kfull.sys" error with a blue screen when attempting to print to certain printers in some apps. 

The printer brands known to be affected include Kyocera, Ricoh, Dymo and so on.

Solution:

To uninstall the KB5000802 or KB5000808 update, that causes the BSOD error APC INDEX MISMATCH in file win32kfull.sys.

  1. Open Control Panel → Programs → View installed updates.

  2. Find Update for Microsoft Windows (KB5000802 or KB5000808) and select to uninstall.

If the uninstallation through the control panel fails, you can also use the command prompt to uninstall.

For Windows 10 20H1/20H2 feature updates please use the following command.

wusa /uninstall /kb:5000802

For Version 1903/1909, use the following command.

wusa /uninstall /kb:5000808


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