This post helps Fix error code 0x800703f1 while trying to install updates on your Windows 10.
Step 1: Check info re your Windows Version. Press Windows Key + R. Type winver in the Run window. And press Enter. Cross check whether you have latest Version & OS Build. Step 2: Update your Windows manually. Pay a visit to the below page@ www.microsoft.com/en-us/software-download/windows10, and download and run the media creation tool.
Note: If the media creation tool fails to work for you, try installing the latest version of Windows 10 ISO file instead, such as the below links: Windows 10 All in One ISO Download [AIO 1607 ISO] Multiple Editions@ softlay.net/operating-system/windows-10-all-in-one-iso-download.html Windows 10 Anniversary Update ISO Download [ver. 1607] build 14393@ softlay.net/operating-system/windows-10-anniversary-update-iso-download.html Step 3: Retry updating your system through Windows Update. Click on Windows button. Click on Settings. Click on Update & Security. On left panel click on Windows Update. On right panel under Windows Update click on Check for Updates.