ZdSoft Screen Recorder is a video screen capture program specializing in recording what's going on in Windows that allows you to simply record video of your desktop with just a couple of clicks.
You can do several types of screen recording: recording a specific area, the entire screen, or just a specific window.
It won't bother what you are doing as it can be hidden in the task bar without interfering your work space. You can select among several end formats, including a self-executable file in case you have issues with codecs.
All this makes ZdSoft Screen Recorder a great video recording tool that deserve an immediate try.