How to solve A cabinet file necessary for installation cannot be trusted. 

Please verify the Cryptographic Services are enabled. When i tried to install directx i got this message " A cabinet file necessary for installation cannot be trusted. 

When you experience this issue trying to install DirectX just download this https://www.microsoft.com/en-us/download... 

1.Create an empty folder (The folder's name isn't important, just leave it blank for all I care) 

2.Put the directx_Jun2010_redist.exe (That you just downloaded) into that empty folder. 

3.Install/open the "directx_Jun2010_redist.exe" 

 4.Scroll through all the contents that were extracted, look for "DXSETUP.exe" and Install that. 

 5.Click through the on screen instructions and allow it to complete.