Assetto Corsa not launching - URGENT

[hvf26]

I tried to get this resolved months ago but I haven't received any help from Steam. Same issue. The following is the log file from the launcher.

10/8/2014 4:20:25 PM
AC Launcher ver. 0.14.829.4274
Running on: Microsoft Windows NT 6.1.7601 Service Pack 1
Searching for .config at: AssettoCorsa.exe -> E:\Games\SteamLibrary\steamapps\common\assettocorsa\AssettoCorsa.exe.Config
Current Culture: en-US / en-US
Length:0
assembly loading: Steamworks.NET.dll
Loading E:/Games/SteamLibrary/steamapps/common/assettocorsa/launcher/support/Steamworks.NET.dll

Error >>> 10/8/2014 4:20:25 PM
System.IO.FileLoadException
Message:Could not load file or assembly 'Steamworks.NET, Version=3.0.0.0, Culture=neutral, PublicKeyToken=null' or one of its dependencies. Operation is not supported. (Exception from HRESULT: 0x80131515)
TargetSite: Void .ctor(System.String[])
Source:AssettoCorsa
StackTrace: at AC.Launcher.App..ctor(String[] args)
at AC.Launcher.Startup.Main(String[] args)
InnerException:System.IO.FileLoadException: Could not load file or assembly 'file:/E:/Games/SteamLibrary/steamapps/common/assettocorsa/launcher/support/Steamworks.NET.dll' or one of its dependencies. Operation is not supported. (Exception from HRESULT: 0x80131515)
File name: 'file:/E:/Games/SteamLibrary/steamapps/common/assettocorsa/launcher/support/Steamworks.NET.dll' ---> System.NotSupportedException: An attempt was made to load an assembly from a network location which would have caused the assembly to be sandboxed in previous versions of the .NET Framework. This release of the .NET Framework does not enable CAS policy by default, so this load may be dangerous. If this load is not intended to sandbox the assembly, please enable the loadFromRemoteSources switch. See http://go.microsoft.com/fwlink/?LinkId=155569 for more information.
at System.Reflection.RuntimeAssembly._nLoad(AssemblyName fileName, String codeBase, Evidence assemblySecurity, RuntimeAssembly locationHint, StackCrawlMark& stackMark, IntPtr pPrivHostBinder, Boolean throwOnFileNotFound, Boolean forIntrospection, Boolean suppressSecurityChecks)
at System.Reflection.RuntimeAssembly.nLoad(AssemblyName fileName, String codeBase, Evidence assemblySecurity, RuntimeAssembly locationHint, StackCrawlMark& stackMark, IntPtr pPrivHostBinder, Boolean throwOnFileNotFound, Boolean forIntrospection, Boolean suppressSecurityChecks)
at System.Reflection.RuntimeAssembly.InternalLoadAssemblyName(AssemblyName assemblyRef, Evidence assemblySecurity, RuntimeAssembly reqAssembly, StackCrawlMark& stackMark, IntPtr pPrivHostBinder, Boolean throwOnFileNotFound, Boolean forIntrospection, Boolean suppressSecurityChecks)
at System.Reflection.RuntimeAssembly.InternalLoadFrom(String assemblyFile, Evidence securityEvidence, Byte[] hashValue, AssemblyHashAlgorithm hashAlgorithm, Boolean forIntrospection, Boolean suppressSecurityChecks, StackCrawlMark& stackMark)
at System.Reflection.Assembly.LoadFrom(String assemblyFile)
at AC.Launcher.Startup.AssemblyResolve(Object sender, ResolveEventArgs args)
at System.AppDomain.OnAssemblyResolveEvent(RuntimeAssembly assembly, String assemblyFullName)



<<< Error


Please help to resolve this issue, I haven't been able to play this game since I bought it.

Cheers.