Error messages in PowerPoint

PowerPoint program is not complicated program. Even from the very beginning working with it is very easy. But as in any part of our lives various problems may appear unexpectedly. While working with your technology PowerPoint backgrounds see that and trying to drag or drop any video, such as AVI, different error notices may appear. Some of them inform us, that the video clip, sound or movie is not available. Others say that it is impossible to find the driver for the instillation on the computer system. All of them can be solved only by renaming the file <AVI> to <MPG>.