Using a VMIXCODECLIBRARY.dll from an older version of vMix with a newer executable (or vice versa) will cause dependency errors.
: Ensuring the Microsoft .NET Framework is up-to-date is vital, as vMix relies on this environment to execute its DLL calls. VMIXCODECLIBRARY.dll
Without this file, vMix cannot effectively handle the high-performance video encoding and decoding tasks required for professional live broadcasts. Common VMIXCODECLIBRARY.dll Error Messages Using a VMIXCODECLIBRARY