Error Code 80070663 is commonly caused due to the .NET framework installation failure. These are the following ways in which you can attempt to correct this error.
This 80070663 error code might occur because of improper removal of the previous version of office.
This Error Code 80070663 applies for all versions of windows like Windows 10, Windows 8 & 8.1 and Windows 7.
Disclaimers: Before you attempt to fix an issue with the windows update, we highly recommend you to take a registry backup and create a system restore point as a precaution method. In case if something goes wrong, we can restore your computer to the same stage and fix the issues. (In case if you not sure how to back it up, talk to an expert for assistance.)
This .NET Framework 3.5 for Windows 8 or Windows 8.1 won’t come with pre-installed. Windows 8, Windows 8.1 or Windows 10, and must be separately enabled to run applications that depend on it. To enable the .NET Framework 3.5 in Control Panel to avoid Error code 80070663.
Note: Make sure you have set correct Date and time on your computer, try to install pending updates through other available networks.
Run Windows Update Troubleshooter to Fix Error Code 80070663:
Control Panel> Programs and Features.
Turn Windows features on or off then check .NET framework 3.5 . The pre-requisites should installed.
If it is not successful uninstall the KB’s related to .NET framework 3.5 and then re-install them.
Restart your computer if needed.
If the windows update error code 80070663 still exists, follow some more steps to fix the issue and install/upgrade/update your operating system.
You can Try These Solutions to Fix Error code 80070663 While Updating/Upgrading:-
Perform a sfc scan so that you can fix potentially corrupted or missing files, most of the cases this system file scan fix common issues with the file system.
To do a restore to healthy previous setup with command prompt to fix potentially corrupted or missing files
Using windows update