Left 4 Dead Demo DS Released!

[NastyBadMan]

Hey guys, im getting the same issue - 'Unable to load steam support library' (WINDOWS BOX)

If i run the update tool using:
hldsupdatetool -command update -game l4d_demo -dir .
I get the following...

Checking bootstrapper version ...
Updating Installation
Checking/Installing 'left4dead demo base' version 2


HLDS installation up to date


Then if i run the game with the following command line:
srcds -game left4dead -maxplayers 4 -console -autoupdate -tickrate 66 +sv_lan 0 +map l4d_dem_hospital01_apartment
I get the error...

10.0 fps 0/14 on map l4d_dem_hospital01_apartment
Console initialized.
Game.dll loaded for "L4D - Normal"
Server is hibernating
ConVarRef test_progression_loop doesn't point to an existing ConVar
Sending heartbeat to master server...
[L4DMM] CSession::SwitchToState( 0 -> 0 ) (NONE - NONE)
Game supporting (2) split screen players
maxplayers set to 14
Unknown command "r_decal_cullsize"
Unknown command "mat_bloom_scalefactor_scalar"
Network: IP 192.168.0.7, mode MP, dedicated Yes, ports 27015 SV / 27005 CL
---- Host_NewGame ----
Compact released 131072 bytes to the backing store
Host_NewGame on map l4d_dem_hospital01_apartment
Executing dedicated server config file
Commentary: Could not find commentary data file 'maps/l4d_dem_hospital01_apartme
nt_commentary.txt'.
************************************************
* Unable to load Steam support library. *
* This server will operate in LAN mode only. *
************************************************
exec: couldn't exec server.cfg
Unable to load Steam library.


This is the first time ive set up a source server in years, can anyone please help?