dont forget to call

Torch.Server/Program.cs

@@ -87,34 +87,55 @@ namespace Torch.Server
             TorchLauncher.Launch(workingDir, binDir);
             
             CopyNative(binDir);
+            
             initializer.Run(isService, instanceName, instancePath);
         }
 
         private static void CopyNative(string binPath)
         {
-            var apiSource = Path.Combine(binPath, "steam_api64.dll");
-            var apiTarget = Path.Combine(AppContext.BaseDirectory, "steam_api64.dll");
-            if (!File.Exists(apiTarget))
-            {
-                File.Copy(apiSource, apiTarget);
-            }
-            else if (File.GetLastWriteTime(apiTarget) < File.GetLastWriteTime(binPath))
-            {
-                File.Delete(apiTarget);
-                File.Copy(apiSource, apiTarget);
-            }
+            var log = LogManager.GetLogger("TorchLauncher");
             
-            var havokSource = Path.Combine(binPath, "Havok.dll");
-            var havokTarget = Path.Combine(AppContext.BaseDirectory, "Havok.dll");
-
-            if (!File.Exists(havokTarget))
+            var workingDir = new DirectoryInfo(Directory.GetCurrentDirectory());
+            if (workingDir.Attributes.HasFlag(FileAttributes.ReadOnly))
             {
-                File.Copy(havokSource, havokTarget);   
+                log.Warn("Game directory is readonly. You should copy steam_api64.dll, Havok.dll from bin manually");
+                return;
             }
-            else if (File.GetLastWriteTime(havokTarget) < File.GetLastWriteTime(havokSource))
-            {   
-                File.Delete(havokTarget);
-                File.Copy(havokSource, havokTarget);
+
+            try
+            {
+                var apiSource = Path.Combine(binPath, "steam_api64.dll");
+                var apiTarget = Path.Combine(workingDir.FullName, "steam_api64.dll");
+                if (!File.Exists(apiTarget))
+                {
+                    File.Copy(apiSource, apiTarget);
+                }
+                else if (File.GetLastWriteTime(apiTarget) < File.GetLastWriteTime(binPath))
+                {
+                    File.Delete(apiTarget);
+                    File.Copy(apiSource, apiTarget);
+                }
+
+                var havokSource = Path.Combine(binPath, "Havok.dll");
+                var havokTarget = Path.Combine(workingDir.FullName, "Havok.dll");
+
+                if (!File.Exists(havokTarget))
+                {
+                    File.Copy(havokSource, havokTarget);
+                }
+                else if (File.GetLastWriteTime(havokTarget) < File.GetLastWriteTime(havokSource))
+                {
+                    File.Delete(havokTarget);
+                    File.Copy(havokSource, havokTarget);
+                }
+            }
+            catch (UnauthorizedAccessException)
+            {
+                // file is being used by another process, probably previous torch has not been closed yet
+            }
+            catch (Exception e)
+            {
+                log.Error(e);
             }
         }
     }