Microsoft DirectX is a group of technologies designed to make Windows-based computers an ideal platform for running and displaying applications rich in multimedia elements such as full-color graphics, video, 3D animation, and rich audio. DirectX includes security and performance updates, along with many new features across all technologies, which can be accessed by applications using the DirectX APIs.
Download: DirectX End-User Runtime Web Installer

http://download.microsoft.com/download/c/6...2007_redist.exe
Edit: sorry for the quote ?_?
BCool
http://download.microsoft.com/download/c/6...2007_redist.exe
Edit: sorry for the quote ?_?
BCool
Thanks!
dxdiag
dxdiag
DxDiag reported my DirectX is 10 but the one offered above is 9.21.1148. How?
Realy, though, if you're not comfortable with updating DirectX, you can safely leave this alone. If a game needs updated DirectX files, they will be bundled with the game (that's what the redistribs are for). There's nothing in here that will do much of anything for games that weren't written for this version of DirectX (or at least, that's what MS keeps telling us).
I had crashes in Bioshock too, I ran the MCE shortcut and it works fine now (I dont have MCE on this pc, but hey!
I haven't really noticed these DX updates doing much of anything for performance.
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