Windows 8.1 | Code d'erreur : 0x80073712

When I try to enable IIS, Windows PowerShell 2.0 (this what I really need because SQL server needs it), I get the following error:

Code d'erreur : 0x80073712

I tried all solutions that I found on the Internet like:

http://windows.microsoft.com/fr-xf/windows-8/windows-update-error-0x80073712

but no luck. Help please.