Security News > 2020 > October > Windows 10 1909 KB4580386 fixes XBOX, display, USB printer issues
Microsoft has released the Windows 10 1909 KB4580386 monthly "C" release preview cumulative update with quality improvements and fixes for Microsoft Xbox Game Pass, USB printer, and screen flashing issues.
This preview cumulative update addresses an issue preventing Microsoft Xbox Game Pass users from playing some games that they were eligible to play and fixes a reliability issue that causes the display to flash constantly.
KB4580386 also fixes a known issue that causes USB printer ports to disappear after system reboots if the printer device is powered off.
Last but not least, Microsoft says that customers who install the KB4580386 non-security update might experience issues upgrading to the latest Windows 10 versions if HTTP Internet access for LOCAL SYSTEM accounts is blocked using a firewall.
Addresses an issue that causes Windows to stop working and generates error 0x17. This issue occurs when Windows Defender Device Guard is enabled and a driver is loaded with a 4K Microsoft Portable Executable header.