I was getting this same message box every time i opened a certain project in Cubase 13 Pro, on Windows 11 Pro. Other Windows users found a solution: please set the default printer (in windows start->settings , search default printer, and set “Let Windows manage my default printer” to OFF.
Then, under Windows Settings again; find the printers list, select Microsoft Print to PDF, and set that to Default. Done! my problem went away.
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