My laptop can detect MTN 3G fastlink but cannot run/install it.pls help

Pls house,can anyone help me.I bought the MTN 3G fastlink,i can install it on every other laptops,but in my particular laptop,it will detect,but cannot when i click to install.pls any body with d idea on what i can do?.please help

Can u ried explain better!...Meaning, the name of ur operating system and how possible ur the system drivers of ur USB are intact.

Princewill (MCP)