The port “3389” is the universal default port for Microsoft’s Remote Desktop Protocol, which means that malicious actors who might want to try to compromise your system through Remote Desktop will know exactly where to look, especially if you have your Remote Desktop host PC open to the Internet. If you change this port, it can make it slightly harder for unauthorized people to gain access to the machine.

Error 0x800f081f is one of the most common error codes related to Windows 11 updates, along with 0x800F0906, 0x800F0907, and 0x800F0922. This error code appears when Windows cannot download the critical files for a given update. When this error code is encountered, the user will typically see an error message that reads, “Windows could not find required files to complete the requested changes. Error code: 0x800f081f”.