Problem while installing ESET smart security

I keep on getting error whenever I install NOD32. The error goes like this "Error writing to file: C:\Program File\ESET\ESET smart security\Drivers\epfwndis\epfwndis.sys. Verify that you have access to this file". The error is driving me nuts. I need your help on how to resolve this problem.

A similar problem has been posted 2 months ago. Its said been resolved. A link that contains solution to this problem has been posted but it’s been inaccessible at a moment.

 

Try running the uninstall tool in safe mode as described in this KB article and then install ESS.

 

Hey i did that then too the same problem persists....