Why is my PowerPoint image backwards when I use YouCam share file function?

This is due to the default setting in MSN is to set the webcam image as a mirror image. Please check the following steps to solve this problem.

1. In the Windows Live Messenger main window, select Tools > Audio video setup.
2. In the Audio and Video Setup wizard, uncheck Mirror my image
3. Click the Finish button to save your changes and enable CyberLink YouCam.