This occurs when a WAD has an incompatible banner animation (common with N64 injections). The VWii system menu freezes immediately after the health screen.
While caution is required, WADs are incredibly useful for expanding your vWii's utility: vwii wad
Browse to your wad folder and select the WAD file you wish to install. Press to install, then select Confirm . This occurs when a WAD has an incompatible