You are free to reinstall Windows 8/8.1 if you want. A lot of users around the web did that because of that specific error code for that specific update. All of them were on the same kind of troubleshooting as we are doing here (where network drivers are the culprits). It could end up being faster to simply reinstall Windows, than continue troubleshooting that issue. The call is yours, I'll support you either way :)