I cleaned out my .minecraft folder to be sure.
I open the launcher, select either 1.7.4 or 1.7.5 [neither works]
It downloads, then the game opens and shows "Mojang" then it crashes and gives me an error. [Attaching the error file]
I can run 1.7.2, but nothing past it it seems.. 😞
Duplicate of MC-14051. Your graphics are too old to support newer versions of Minecraft. See that report for details.