There appears to be really no universal quick fix available for the error code as of now.
The error code which is plaguing many Windows 8 (seems evident from the numbers seeking support via Microsoft’s support forum) users are at best, annoying because, the error pops up when the Windows 8.1 update download reaches up to 50%.
Also, I would suggest you to install all the available Windows Updates including the optional updates for drivers.Although keeping your computer healthy goes a long way in preventing such problems as errors, there are Windows errors that you will most likely encounter regardless of how you keep your computer healthy.One such error is Windows update error code 8007000E.If the above solution fails, uninstall Antivirus software and then try to upgrade to Windows 8.1. To run the system file checker, Follow the above steps until you land on the PC Settings in General category.Scroll down and look for “Refresh your PC without Affecting your Files” and click Get Started when you are ready. Anand Khanse is the Admin of The Windows Club.com, a 10-year Microsoft MVP Awardee in Windows (2006-16) & a Windows Insider MVP.