Is there a reason SDK isn't working?

[DEATH eVADER]

I've been away from the forum for quite some time, I'm just wonderin if anybody else has had any problems running source sdk. It keeps on coming up with an error message saying that its 'unavailable at this time, check later'.

Is there a reason for this

 

[sabre0001]

that has happened for me too - reset computer...usually works if i just leave it for another day...

No idea for a reason...sorry if that doesnt help you at all