Printing in UWP apps fails with security patch KB5008212

[Edgar Martínez Serrano]

Since patch KB5008212 was installed, printing has stopped working in the UWP app I'm developing. Also the official microsoft samples to print doesn't work either (Windows-universal-samples/Samples/Printing at main · microsoft/Windows-universal-samples). Uninstalling the patch got it working again until Windows automatically reinstalled it.I use appPOS58PORTABLE+ printer (appPOS58PORTABLE+) connected by Bluetooth, but it also fails with other portable printers of the same type.I will describe how the error occurs and the solutions that I have tried a

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