After a fresh installation of Windows 7, Windows Upadte may fail to download, such as “80072EFE Windows Update encountered an unknown error.
These problems may be resolved by installing “Update for Windows 7 (KB3138612)”.
Click the “Download” button matching the title below for the OS in your environment.
| OS | Title |
| Microsoft Windows 7 (32bit) | Update for Windows 7 (KB3138612) |
| Microsoft Windows 7 (64bit) | Update for Windows 7 for x64-Based Systems (KB3138612) |
By running the downloaded file in a Windows 7 environment,
The “Update for Windows 7 (KB3138612)” will be installed and you will be able to run Windows Update.
