--- a/browser/metro/base/content/browser-ui.js
+++ b/browser/metro/base/content/browser-ui.js
@@ -150,21 +150,16 @@ var BrowserUI = {
         MetroDownloadsView.init();
         DialogUI.init();
         FormHelperUI.init();
         FindHelperUI.init();
       } catch(ex) {
         Util.dumpLn("Exception in delay load module:", ex.message);
       }
 
-      if (WindowsPrefSync) {
-        // Pulls in Desktop controlled prefs and pushes out Metro controlled prefs
-        WindowsPrefSync.init();
-      }
-
       // check for left over crash reports and submit them if found.
       BrowserUI.startupCrashCheck();
 
       Util.dumpLn("* delay load complete.");
     }, false);
 
 #ifndef MOZ_OFFICIAL_BRANDING
     setTimeout(function() {

--- a/browser/metro/base/content/browser.js
+++ b/browser/metro/base/content/browser.js
@@ -168,18 +168,17 @@ var Browser = {
           let uri = commandURL || Browser.getHomePage();
           self.addTab(uri, true);
         }
       }
 
       // Should we restore the previous session (crash or some other event)
       let ss = Cc["@mozilla.org/browser/sessionstore;1"]
                .getService(Ci.nsISessionStore);
-      let shouldRestore = ss.shouldRestore()
-                       || (3 == Services.prefs.getIntPref("browser.startup.page"));
+      let shouldRestore = ss.shouldRestore();
       if (shouldRestore) {
         let bringFront = false;
         // First open any commandline URLs, except the homepage
         if (activationURI && activationURI != kStartURI) {
           this.addTab(activationURI, true, null, { flags: Ci.nsIWebNavigation.LOAD_FLAGS_ALLOW_THIRD_PARTY_FIXUP });
         } else if (commandURL && commandURL != kStartURI) {
           this.addTab(commandURL, true);
         } else {

--- a/browser/metro/components/SessionStore.js
+++ b/browser/metro/components/SessionStore.js
@@ -4,16 +4,17 @@
 
 const Cc = Components.classes;
 const Ci = Components.interfaces;
 const Cu = Components.utils;
 const Cr = Components.results;
 
 Cu.import("resource://gre/modules/XPCOMUtils.jsm");
 Cu.import("resource://gre/modules/Services.jsm");
+Cu.import("resource://gre/modules/WindowsPrefSync.jsm");
 
 #ifdef MOZ_CRASHREPORTER
 XPCOMUtils.defineLazyServiceGetter(this, "CrashReporter",
   "@mozilla.org/xre/app-info;1", "nsICrashReporter");
 #endif
 
 XPCOMUtils.defineLazyServiceGetter(this, "gUUIDGenerator",
   "@mozilla.org/uuid-generator;1", "nsIUUIDGenerator");
@@ -194,16 +195,20 @@ SessionStore.prototype = {
         observerService.addObserver(this, "browser-lastwindow-close-granted", true);
         observerService.addObserver(this, "browser:purge-session-history", true);
         observerService.addObserver(this, "quit-application-requested", true);
         observerService.addObserver(this, "quit-application-granted", true);
         observerService.addObserver(this, "quit-application", true);
         break;
       case "final-ui-startup":
         observerService.removeObserver(this, "final-ui-startup");
+        if (WindowsPrefSync) {
+          // Pulls in Desktop controlled prefs and pushes out Metro controlled prefs
+          WindowsPrefSync.init();
+        }
         this.init();
         break;
       case "domwindowopened":
         let window = aSubject;
         window.addEventListener("load", function() {
           self.onWindowOpen(window);
           window.removeEventListener("load", arguments.callee, false);
         }, false);
@@ -335,19 +340,22 @@ SessionStore.prototype = {
     this._windows[aWindow.__SSID] = { tabs: [], selected: 0, _closedTabs: [] };
 
     // Perform additional initialization when the first window is loading
     if (this._loadState == STATE_STOPPED) {
       this._loadState = STATE_RUNNING;
       this._lastSaveTime = Date.now();
 
       // Nothing to restore, notify observers things are complete
-      if (!this._shouldRestore) {
+      if (!this.shouldRestore()) {
         this._clearCache();
         Services.obs.notifyObservers(null, "sessionstore-windows-restored", "");
+
+        // If nothing is being restored, we only have our single Metro window.
+        this._orderedWindows.push(aWindow.__SSID);
       }
     }
 
     // Add tab change listeners to all already existing tabs
     let tabs = aWindow.Browser.tabs;
     for (let i = 0; i < tabs.length; i++)
       this.onTabAdd(aWindow, tabs[i].browser, true);
 
@@ -721,17 +729,17 @@ SessionStore.prototype = {
     let browser = aTab.linkedBrowser;
     if (browser.__SS_extdata && browser.__SS_extdata[aKey])
       delete browser.__SS_extdata[aKey];
     else
       throw (Components.returnCode = Cr.NS_ERROR_INVALID_ARG);
   },
 
   shouldRestore: function ss_shouldRestore() {
-    return this._shouldRestore;
+    return this._shouldRestore || (3 == Services.prefs.getIntPref("browser.startup.page"));
   },
 
   restoreLastSession: function ss_restoreLastSession(aBringToFront) {
     let self = this;
     function notifyObservers(aMessage) {
       self._clearCache();
       Services.obs.notifyObservers(null, "sessionstore-windows-restored", aMessage || "");
     }