This problem especially occurs when you have insatlled another card or an older driver before. The uninstallation with the windows tools isn't always successful. Therefore you should uninstall the device drivers manually. You can search for them in the windows directory with the windows explorer tool.
For the file names you can look at the install directory of the device manucaturer. In most cases the device driver have an ending with *.sys, *.inf or *.dll.
Category: Client Cards
Its not possible to install the client card resp. the device isn't recognized