dxwebsetup.exe - A cabinet file could not be trusted

[linkin]

Okay, I'm trying to update directx to see if it will solve my gta4 issues, only to see the dxwebsetup.exe file give me an error after clicking "next" to download "DirectX Optional Runtime Components"

Restarting does nothing.

Redownloading does nothing.

Everything i try does NOTHING!!!!

help

 

[linkin]

don't worry guys, i don't need this now.