If you're unable to find the DLL file on the official Magix website, you can try the following alternative sources:
Many free DLL sites bundle files with spyware, adware, or ransomware.
: Legacy installers often unpack obsolete DLLAV32.dll variations that cannot communicate with newer optical hardware.
If the file is corrupt or missing, reinstalling the software is the safest way to restore the correct version. Go to > Apps > Installed Apps . Uninstall the MAGIX program and restart your PC.