Confirm that the video driver and Direct-X are current. If that doesn't help contact NCH with specifics.
VideoPad has been known to crash due to problems with older graphics card drivers. If you are experiencing frequent crashes then you should download and install the latest drivers for your graphics hardware and update to the latest version of DirectX.
AMD / ATI users: [http://support.amd.com/us/gpudownload/Pages/index.aspx](http://support.amd.com/us/gpudownload/Pages/index.aspx) Intel users: [https://downloadcenter.intel.com/default.aspx](https://downloadcenter.intel.com/default.aspx) nVidia users: [http://www.nvidia.com/Download/index.aspx?lang=en-us](http://www.nvidia.com/Download/index.aspx?lang=en-us) Update DirectX: [http://support.microsoft.com/kb/179113](http://support.microsoft.com/kb/179113)