The error is caused due to missing or corrupted files, as well as background processes conflicting with the update due to which you are not able to get the update.
Windows failed to install an update with error 0x800704c7
If you’re faced with this Windows Update Error 0x800704c7 issue, you can try our recommended solutions below in no particular order and see if that helps to resolve the issue. Let’s take a look at the description of the process involved concerning each of the listed solutions.
1] Run Windows Update Troubleshooter
This solution requires you to run the inbuilt Windows Update Troubleshooter. After running the troubleshooter, you can try updating again and see if the and see if you can upgrade successfully without the Windows Update error 0x800704c7 occurring. Else, try the next solution. Read: Windows Update Service missing in Services.msc.
2] Manually clear the Windows Update cache/components
The Software Distribution folder in Windows 10 operating system is a folder located in the Windows directory and used to temporarily store files that may be required to install Windows Update on your computer. Clear the contents of the Software Distribution folder and see if that helps to resolve the issue. Otherwise, continue with the next solution.
3] Directly download the Windows 11/10 ISO or use the Media Creation Tool
This solution entails you directly download the Windows ISO image file from the Microsoft website. Once you have downloaded the ISO to a location (preferably the desktop) on your device, double-click the ISO image to mount it as a virtual drive then double-click the setup.exe file to start the in-place upgrade process. Alternatively, you may use the Windows Update Assistant to install the Feature Update. PS: More tips here to Troubleshoot Windows Updates Errors in Windows 11/10.
