Halp gameparamter VCONFIG Issue

When the game launches this meaage appears: Setup file ‘gameinfo.txt’ doesn’t exist in subdirectory ‘garrysmod’. Check your -game parameter or VCONFIG setting.
Please help

I heard of this, try installing HL2 and playing it. For some reason, this happened to me once.

WHen i try to play hl2 the smae problem happens

Hmm, dunno.