Error 0xc000007b on every video game launch except AC Unity

Hi, everyone !

Having a bit of trouble and it's become quite frustrating. Trying everything before doing the ole' Win7 reinstall.

I started replaying Arkham City again in February and it worked fine.

A few days ago I decided to try out Assassins Creed Unity, but the game was poorly optimized and kept giving me a 0xc00007b error at launch.

After following the online instructions, I uninstalled and reinstalled every Visual C++ package and NET Framework and finally it worked.

The problem is, now every game I have on Steam is giving the same error, EXCEPT Assassin Creed Unity.

Tried to do the same steps again, but it still isn't working.

My graphics driver is up-to-date. I have attached my DxDiag. I'm running Windows 7 Ultimate 64-bit. Latest Windows update found is 29 kb but when I choose to install it it gives an error code B.

PS: The issue occurs rather awkward. If I select to play the game on Steam, nothing happens. As in, the game does not open but shows no error. If I select to configure PC options for the game first, it launches the game launcher and when hitting PLAY it displays the error in question.