How to fix Camtasia Studio Failed to Open Video Codec Recording error.

In the Following Blog I am Sharing, How to fix Camtasia Studio Failed to Open Video Codec recording error. First let see about this error. Once open the video recorder can't record screen, because of some error error occurred with popup messages. After read message carefully, we can see the reason for this error. The error occurs because of some codec missing from the computer witch are needs to