As reported by Windows Latest, September’s second non-security patch, KB4517211, fixed a number of problems, including one in which audio in certain games was quieter.
Not for the first time, users have reported that the patch has fixed one issue while causing others. Specifically, some HP printers are being affected, though it seems to have hit some other brands, too.
On Microsoft’s community forum and feedback hub, one user wrote: “After installing kb4517211 the print spooler kept crashing.