Step1:)

Go to this link

step2:)

Search for any dll file u want.Like we gonna search for "d3dx9_30.dll"



step:3)

Go down and click on " Click here to go to the download of d3dx9_30.dll"

Step:4)

After downloading extract the dll file to your system32 folder

step:5)

Then lunch the program or game.it will be running all right now!!!