Weird Error when i open SDK (pic inside)

[COALslaw]

 

[Viperidae]

Try restarting your computer, then logging in and out of Steam. Worked for me.

 

[sabre0001]

I had this error also
Copy and paste this link into browser:

http://steampowered.custhelp.com/cg...GFnZT0xJnBfc2VhcmNoX3RleHQ9dmVyaWZ5aW5n&p_li=

Validate your files with these and then run HL2...Then open SDK and for some reason it should work...

 

[COALslaw]

crap still there =/

edit: crap lemme try that lol

 

[OmegaX]

Just Run Half life 2 again. That fixed the same problem i had

 

[COALslaw]

weird running hl2 fixed it, lol thanks fellas.