This problem can be caused by several things. In order to fix this, try to download and install the latest driver for your HDTV device. Also, try to update the Blaze HDTV program to the latest version together with the DirectX. You can visit the following support website, in order to check if your computer meets the program's minimum requirements. If it doesn't, you can't run the program. If the problem still persists, try to contact the developer for further assistance on the official mail address : support@blazevideo.com.