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Is MS patch KB4094123 causing problems with PDF24?

I have a Windows Server 2019 Standard

We are seeing issues where existing PDF24 Printers show as disconnected and are unable to install any new ones. The menu in setting appears and pops up UAC but it never adds or detects the printers.

I did some troubleshooting and changed a few things on the system. One of these was uninstalling KB4094123. After leaving the machine to test the virtual printers broke again after KB4094123 re-installed. I've excluded it and am waiting for a reboot window to uninstall the patch again but wanted to check if others are able to confirm similar issues / raise it with the support team if possible.

PDF24 Creator version 9.2.2

sunrise Asked question