prueba a desisntalarla asi:
1. Uninstall the USB connector through the Device Manager.
* Make sure you have the USB Connector plugged into your computer.
* Click the Start button and select Control Panel.
* Click "System" and select the "Hardware" tab. Choose "Device Manager."
* Next to "Network Adapters," click the "+" to expand the list.
* If the Nintendo USB Connector is in the list, right-click it and choose "Uninstall."
* Remove the adapter after it done.
2. Perform the DEVREMOV process.
* Make sure you have the USB Connector plugged into your computer.
* On your computer, click on the "My Computer" icon (found in the Start menu or sometimes on the desktop), and right click on your CD drive containing the Nintendo Wi-Fi connection Installation CD, and choose 'Explore.'
* Open "NintendoWFCReg/SoftAP." Within there, double-click the DEVREMOV.exe application.
During the course of running the DEVREMOV program, you will see three windows pop up successively.
* The first will have a series of question marks. Click "Yes."
* The second will have a picture of wires and lights moving on it while the DEVREMOV utility uninstalls the internet connection sharing for the Nintendo Wi-FI USB Connector. This will disappear on its own.
* The third will also have several question marks on it. Just click "Ok."
* At this point, remove the USB connector from your computer.
3. Check the "Programs" list and, if the "Uninstall" option for the connector is there, run this process.
* Click the Start button , and select "Programs."
* If the Nintendo USB Wi-Fi Connector is listed, click on the "Uninstall" program to remove it.
4. Check Add/Remove Software on the computer and, if listed, remove the USB connector.
* Click the Start button, and select Control Panel.
* Open "Add/Remove Programs."
* If listed, select the Nintendo Wi-Fi connector from the list, and click "Remove."
* Follow the prompts to uninstall the program.
* Reboot your computer to complete the uninstallation.