diff --git a/browser/api/atom_browser_bindings.cc b/browser/api/atom_browser_bindings.cc
index 35488612c2be..6fa06e89695e 100644
--- a/browser/api/atom_browser_bindings.cc
+++ b/browser/api/atom_browser_bindings.cc
@@ -23,20 +23,6 @@ AtomBrowserBindings::AtomBrowserBindings() {
 AtomBrowserBindings::~AtomBrowserBindings() {
 }
 
-void AtomBrowserBindings::AfterLoad() {
-  DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
-
-  v8::HandleScope handle_scope(node_isolate);
-
-  v8::Handle<v8::Object> global = global_env->context()->Global();
-  v8::Handle<v8::Object> atom = global->Get(ToV8Value("__atom"))->ToObject();
-  DCHECK(!atom.IsEmpty());
-
-  browser_main_parts_.reset(
-      atom->Get(ToV8Value("browserMainParts"))->ToObject());
-  DCHECK(!browser_main_parts_.IsEmpty());
-}
-
 void AtomBrowserBindings::OnRendererMessage(int process_id,
                                             int routing_id,
                                             const string16& channel,
diff --git a/browser/api/atom_browser_bindings.h b/browser/api/atom_browser_bindings.h
index 25e17f24890a..d110fadd6f72 100644
--- a/browser/api/atom_browser_bindings.h
+++ b/browser/api/atom_browser_bindings.h
@@ -26,9 +26,6 @@ class AtomBrowserBindings : public AtomBindings {
   AtomBrowserBindings();
   virtual ~AtomBrowserBindings();
 
-  // Called when the node.js main script has been loaded.
-  virtual void AfterLoad();
-
   // Called when received a message from renderer.
   void OnRendererMessage(int process_id,
                          int routing_id,
diff --git a/browser/atom_browser_main_parts.cc b/browser/atom_browser_main_parts.cc
index 3c3b2e70196e..823eac946814 100644
--- a/browser/atom_browser_main_parts.cc
+++ b/browser/atom_browser_main_parts.cc
@@ -9,6 +9,7 @@
 #include "browser/atom_browser_context.h"
 #include "browser/browser.h"
 #include "common/node_bindings.h"
+#include "net/proxy/proxy_resolver_v8.h"
 
 #include "common/v8/node_common.h"
 
@@ -49,32 +50,20 @@ void AtomBrowserMainParts::PostEarlyInitialization() {
   v8::HandleScope handle_scope(node_isolate);
   v8::Local<v8::Context> context = v8::Context::New(node_isolate);
 
-  // Wrap whole process in one global context.
-  context->Enter();
-
   // Create the global environment.
   global_env = node_bindings_->CreateEnvironment(context);
 
+  // Wrap whole process in one global context.
+  context->Enter();
+
   // Add atom-shell extended APIs.
   atom_bindings_->BindTo(global_env->process_object());
-  atom_bindings_->AfterLoad();
 }
 
 void AtomBrowserMainParts::PreMainMessageLoopRun() {
-  node_bindings_->PrepareMessageLoop();
-
   brightray::BrowserMainParts::PreMainMessageLoopRun();
 
-  {
-    v8::HandleScope handle_scope(node_isolate);
-    v8::Context::Scope context_scope(global_env->context());
-
-    v8::Handle<v8::Value> args;
-    node::MakeCallback(atom_bindings_->browser_main_parts(),
-                       "preMainMessageLoopRun",
-                       0, &args);
-  }
-
+  node_bindings_->PrepareMessageLoop();
   node_bindings_->RunMessageLoop();
 
   // Make sure the url request job factory is created before the
@@ -89,4 +78,14 @@ void AtomBrowserMainParts::PreMainMessageLoopRun() {
 #endif
 }
 
+int AtomBrowserMainParts::PreCreateThreads() {
+  // Note that we are overriding the PreCreateThreads of brightray, since we
+  // are integrating node in browser, we can just be sure that an V8 instance
+  // would be prepared, while the ProxyResolverV8::CreateIsolate() would
+  // try to create a V8 isolate, which messed everything on Windows, so we
+  // have to override and call RememberDefaultIsolate on Windows instead.
+  net::ProxyResolverV8::RememberDefaultIsolate();
+  return 0;
+}
+
 }  // namespace atom
diff --git a/browser/atom_browser_main_parts.h b/browser/atom_browser_main_parts.h
index 3b7ac1071aa2..a7fd1809328c 100644
--- a/browser/atom_browser_main_parts.h
+++ b/browser/atom_browser_main_parts.h
@@ -30,6 +30,7 @@ class AtomBrowserMainParts : public brightray::BrowserMainParts {
   // Implementations of content::BrowserMainParts.
   virtual void PostEarlyInitialization() OVERRIDE;
   virtual void PreMainMessageLoopRun() OVERRIDE;
+  virtual int PreCreateThreads() OVERRIDE;
 #if defined(OS_MACOSX)
   virtual void PreMainMessageLoopStart() OVERRIDE;
   virtual void PostDestroyThreads() OVERRIDE;
diff --git a/common/node_bindings.cc b/common/node_bindings.cc
index 14e6b03b9ded..a349aef011f9 100644
--- a/common/node_bindings.cc
+++ b/common/node_bindings.cc
@@ -142,6 +142,7 @@ node::Environment* NodeBindings::CreateEnvironment(
 
   // Following code are stripped from node::CreateEnvironment in node.cc:
   HandleScope handle_scope(isolate);
+  Context::Scope context_scope(context);
 
   Environment* env = Environment::New(context);