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Use the Add or Remove Programs feature in the Control Panel.
If that does not work you can use a third party uninstaller.
But if your hardware is not working as it should be, a webcam is not much fun.
So dealing with webcam problems can be a necessary evil.
Use the Scan for hardware changes in the Action menu to make sure Windows lists all available hardware devices.
It might be that the hardware is recognized as a camera, but the right drivers are not installed.
Some webcams and programs require additional software, although that should be installed with the webcam if things are right.A blurry image can sometimes simply mean the webcam is not in focus.Adjusting the focus through the ring can solve that problem.In most cases the webcam will be automatically activated by software that can use the webcam, but for some computer brands it is necessary to press a certain key-combination to activate the webcam (it will be a Function key, either with Alt or Ctrl or the Fn key, but check the laptop manual for details).Some known key combinations: (Neo laptops)The next thing is to do is to check your Windows Device Manager and see if all hardware is recognized and installed properly.