Minecraft invisible blocks problem?

I spawn into a newly created world and I fall on invisbile blocks, they are destructible but there are no textures. As you can see it appears as I'm stuck in the sky. This happens every time I create a new world, no matter the combination of world or graphics settings…
I'm using version 1.7.4 and have tried others that also do this…

My setup:
xfx r7970 blackedition
i7 3770k @ 4.7ghz
8gb Team Vulcan 1600 ddr3

Any help would be muchly appreciated, and please check back for updates
Thanks,
Will

Added (1). Hey Kevin, thanks for the answer, but re-installing minecraft did not work. I have tried reinstalling from the download at the Mojang website about 8 times, and deleting data files… All to no avail. If you could provide step by step instructions of what else to try, it would be greatly appreciated, thanks a lot.

Will

Your texture pack is messed up. You'll need to reinstall.minecraft(your minecraft data folder)

Guest

Happened to me too, its not from the texture pack.

Guest

First, update all windows drivers.

Second, delete your minecraft.jar file then launch minecraft. (This should redownload that file.

Finally, I've got no real fix but that is what should work

Guest