https://arstechnica.com/gadgets/2021/03/blue-screen-of-the-day-update-crashes-windows-10-pcs-on-print/ > A Microsoft Windows Update is wreaking havoc with printers worldwide this week—KB50000802 (for newer Windows 10 builds; older Windows 10 and Server builds may have a KB ending in 808 or 822 instead) was intended to provide updates to security "when Windows performs basic operations," but the update crashes some print drivers due to overflowing a GDI Object limit of 10,000. > The bug afflicts a wide range of printers and print drivers—we can confirm having seen the issue on a Windows 10 2004 PC, which crashes with APC_INDEX_MISMATCH (photo above) after printing to any of several models of Kyocera printer (some local, some network).