Install DirectX "A cabinet file necessary for installation cannot be trusted. Please verify the Cryptographic Services are enabled and the cabinet file certificate is valid."
1. Go to C:\WINDOWS\system32\DirectX OR C:\WINDOWS\SysWow64\directx if you have vista x64 2. Go to Tools, Folder Options, then in the "View" tab check "show hidden files and folders" and then OK 3. websetup folder will be visible now. Go in there and DELETE or MOVE it to an empty folder (Find the file that cannot be verified OR delete all contents) 4. Run "dxwebsetup" again. It finally worked.