sir i am not able to install 3 d max software the error message is about directx
when i diagnose directx file it say "The file qasf.dll is an old version, which could cause problems."
plz help me out.

make sure that you have the updates from Microsoft for the dot net frame work. All versions need to be installed not just the latest .

Try this copy and see if it works. It worked for me hope it will to you.
http://www.microsoft.com/downloads/deta ... laylang=en