please provide us with more info
- are you using a branded PC, Laptop or a tablet?
if so please specify manufacturer and model.
- what exactly are your trying to install, I take it that you want to install a network adapter driver.
if so please specify.
- what is your operating system?
Whether you are using a branded machine or an assembled one, provide Model or Motherboard model, adapters, so that we can point you to right place to download suitable drivers, or provide you with steps to solve your issue