As I'm sure you've heard, the only stupid question is the one you don't ask.
First, download the updated device driver package from the link I posted.
Next, go into control panel and open device manager. Go down to network adapters and double click it. Under network adapters there should be a listing for your wireless adapter. Right click it and select uninstall from the menu. In the next box that appears check the box next to "uninstall device driver" and then click ok. Reboot the computer.
Now, open the zip file you downloaded containing the driver files by clicking on the file. Inside the zip folder there are a bunch of files. One of them is named setup.exe, click or double click on that, depending on how your mouse is setup, and...