Gmod texture problems.

Okay so, starting a day or two ago I have been getting the pink and black square texture, and error symbols (I.E missing textures). Before that I had been playing Gmod literally for months with no problems. I have only been on the servers I usually play (they haven’t been updated) and I haven’t any new addons.
I have C:SS, Half life 2, Episode 1, Episode 2, and Lost Coast.

All games are currently up to date, and I have verified the caches for each of these games, and restarted my PC too, then verified again. Still no luck. I even updated my graphics card just for the extra measure.

I was just wondering if there is anything I can do other than start re-installing my games?

~Thanks in advance, Em.

[editline]13th September 2012[/editline]

I just done the same thing above here around 5 times in a row, now it seems to be suddenly working.