You're on the English forum. Can you please explain your message in English so that we can try to help you? You can also repost it on the Nederlands forum.
It seems that you're trying to install your webcam, right? In order for it to work, you need to download the required drivers.
If you need more help on how to download and install the drivers, please give us the make and model of your webcam and the operating system you're using.