Uninstall Viewpoint Media Player from 'Add/Remove Programs' in Control Panel.
Delete files:
AxMetaStream.dll, ComponentMgr.dll, MetaStreamID.ini, MtsAxInstaller.exe, npViewpoint.dll, npViewpoint.xpt, JpegReader.dll, Mts3Reader.dll, SceneComponent.dll, SreeDMMX.dll, SWFView.dll, WaveletReader.dll