About WebCam Driver:

Enabling your embedded web camera by installing appropriate software will allow your system to capture and send ... and include support for various features that the webcam benefits from.

In addition to that, updating the software on your device can fix various problems that ... order to stay updated on the latest drivers, software and games

Try to set a system restore point before installing a device driver

This will help if you installed a wrong driver

Problems can arise when your hardware device is too old or not supported any longer