This update error is very irritating like others and you may come across with this error when trying to update windows. When user runs Updater then it try to install several different updates but fails on all of them.
This issue is very dangerous as update troubleshooter and the startup/automatic repair won’t work. And when you reset Windows Update components then it display the “entry point not found” or “failed to load” error message. If you are suffering from such issues and getting the 0x800703F1 error then don’t worry as you are at the correct place. Simply apply the below given steps to fix 0x800703F1 error message.
If you are unable to fix the above discussed issue after factory resetting your computer then the only option you have is to perform a clean Windows 10 installation. But a clean installation of Windows 10 will remove or delete all the applications, data and settings on your computer. So create a complete backup of your system and store in any other external hard drive.
To perform a clean install of Windows 10, you need to:
Use another PC to create bootable Windows 10 disk/drive. If you have then skip step 1 to Step 5.
Step 1: Go here and download the media creation tool by clicking on Download tool now.
Step 2: Install the media creation tool and open it.
Step 3: Choose For another PC.
Step 4: After it follow the onscreen instructions. And then download an ISO file for Windows 10 that you can not only use to install Windows 10 but can also burn to a USB or DVD.
Step 5: Burn the ISO file to a USB.
Steps to Clean Install Windows 10
After creating the bootable USB, boot your computer and keep pressing F8 in order to access the BIOS setting and change its boot order so that it boots from a USB. After it save the changes and exit from the BIOS.
Connect the bootable USB drive that contains the Windows 10 setup and then restart your computer.
Now it will boot from the USB that you inserted, it will ask you to press any key to allow the computer to start installing Windows 10.
After it you have to enter your language and other preferences, click on Install Windows. Obey other on screen instructions.
Agree to the license terms and select to have a Custom installation.
Choose the partition that you want to install Windows 10 on and format it.
Click on Next and then follow the rest of the installer’s instructions.
After a fresh install of Windows 10, you will never face this kind of error.