Sometimes it may seem that just words and screenshots wont be enough to help the user to understand and follow the steps to troubleshoot a problem.
The video recording of the steps or description to be followed is one of the easiest way for the user to view them and solve a problem as described .
Here are some list of 5 screen recording softwares for creating such screencasts or video tutorials
3 . CaptureFox
CaptureFox is a Firefox extension that can record screens . It also supports audio recording.
4. Windows Media Encoder
Windows Media Encoder is a software for recording the screen activity with high-definition video quality, and support for voice and music content .
Know about using the Windows Media Encoder from Getting Started with Screen Capture Using Windows Media Encoder on Windows XP.
Jing , a screen recorder software from TechSmith which helps the users to take screenshots as well as record videos and also enables the users to send the video to Twitter , Screencast.com etc…