My webcam messages
One of the very first step is of course to check your webcam connection.
So dealing with webcam problems can be a necessary evil.
Use the Add or Remove Programs feature in the Control Panel.
If that does not work you can use a third party uninstaller.
Try downloading the latest Direct X version and install it (Windows XP: Direct X 9.0c – Windows Vista: Direct X 10 – Windows 7: Direct X 11 – Windows 8: Direct X 11.2 is only available through the Windows Update function).
Lastly, if your webcam’s image is not sharp, check to see if it has a focus ring.