i am new to linux. i am trying to install a wireless card and from what i read i need to compile ndiswrapper first. i however get an error message saying that cannot find kernel build file. when i look at the location the build file is there but it is highlighted in red. when i look at it using the gui, it says that the link "build" is broken. i am stuck and would like to know what to do. can some on please advise. thank you.