: "Tunneling" can improve 4K (UHD) performance on some TVs but may cause playback failures on others. Try disabling it if it's on, or enabling it if it's off, within the Engine v.2 settings. Disable Vimu Engine Entirely
If version 2 continues to fail, the file might require a legacy decoder or software decoding. vimu engine v.2 failed
The error message "Engine v.2 failed to open content" ViMu Media Player : "Tunneling" can improve 4K (UHD) performance on