srcds.exe - Entry Point Not Found

[supersimme]

BASIC INFO
Server OS: Windows 7 32-bit 6.1 build 7600
Processor: AMD Phenom II X4 920 Processor 2,80GHz
Ram: 4,00 GB (3,25 GB usable)
Game(s): Garry's Mod
Start Up Command:
@echo off
cls
echo Protecting srcds from crashes...
echo If you want to close srcds and this script, close the srcds window and type Y depending on your language followed by Enter.
title srcds.com Watchdog
:srcds
echo (%time%) srcds started.
start /wait D:\SRCDS\orangebox\srcds.exe -console -nohltv -game garrysmod -port 27015 -maxplayers 8 +map gm_construct
echo (%time%) WARNING: srcds closed or crashed, restarting.
goto srcds

Admin Mods: ASSmod

INSTALLING INFO
Full Install Command: Using the SRCDS Content Manager.exe

It worked at first but now it has stopped completely, this is a picture of my error.

[Nisd]

What addons have you installed?

[MrHarryReems]

Close Steam on the 'puter hosting the server. That fixed it for me.

[GunnyCole]

I tried that, still the same error.

[Sethenor]

delete or rename "steamclient.dll" from the /bin folder where srcds.exe is located.