Support: WinTV-HVR, WinTV-HVR and Starburst Note: If you have run HCWCLEAR, you must reboot your PC and leave the WinTV-HVRxx. WinTV-HVR HDTV auf Ihrem PC! Accessory software for the WinTV-HVR WinTV Digital Signal Strength Indicator. Signal Strength. This package contains the files needed for installing the Hauppauge WinTV-HVR Signal Indicator Utility. If it has been installed, updating.