Error

[Sedin]

When i lauch the game, i have this error:

MountFilesystem( 421 ) failed:
SteamMountFilesystem(4656,421,0x118efca0=,0x118efb90) Failed with error 5: No
Steam Content Servers are available.

Then, i can't play

[Neico]

you need to validate hl2: ep2, it looks like it has missing content

[Sedin]

That's work, thanks.