Error code 0x8007371b is a Windows Update error that indicates that there was an issue installing one or more updates on your computer. This Update error 0x8007371b can occur on any version of Windows, including Windows 10, 8.1, 8, and 7. The error 0x8007371b message typically reads: “Installation Failure: Windows failed to install the following update with Windows Update Error Code 0x8007371b:” 0x8007371b usually occurs when a Windows update fails to install or when a system file becomes corrupt or is missing.