The error of missing WMVCore.DLL file usually occurs on Windows Vista Business N, Windows 7 N or Windows 8 N , Windows 8.1 N because the media component is not installed on versions of Vista.
To fix the error of missing WMVCore.DLL file, you can download the component to your device and install it. It will then activate Windows Vista/Windows 7 update automatically on Microsoft to install Windows Media Player 11.
Step 1. Fix errors on Windows 7: Media Feature Pack for versions of Windows 7 that is Windows 7 N or Windows 7 KN will install Media Player and some other related software running on Windows 7 N and Windows 7 KN.
Download the Media Feature Pack for versions of Windows 7 such as Windows 7 N and Windows 7 KN here.
Step 2. Fix errors on Windows 8: Media Feature Pack for versions of Windows 8 that is Windows 8 N or Windows 8 KN will install Media Player and some other related software running on Windows 8 N and Windows 8 KN.
Download the Media Feature Pack for versions of Windows 8 such as Windows 8 N and Windows 8 KN here.
Step 3. Fix error on Windows 8.1: Media Feature Pack for versions of Windows 8.1 that is Windows 8.1 N or Windows 8.1 KN will install Media Player and some other related software running on Windows 8.1 N and Windows 8.1 KN.
Step 4. Fix errors on Windows 10: Media Feature Pack for versions of Windows 10 that is Windows 10 N or Windows 10 KN will install Media Player and some other related software running on Windows 10 N and Windows 10 KN.
Good luck For You