diff --git a/mix/qml/CodeEditorView.qml b/mix/qml/CodeEditorView.qml
index f948f882c..b100dffd0 100644
--- a/mix/qml/CodeEditorView.qml
+++ b/mix/qml/CodeEditorView.qml
@@ -139,7 +139,7 @@ Item {
 		}
 
 		onProjectSaved: {
-			if (projectModel.appIsClosing)
+			if (projectModel.appIsClosing || projectModel.projectIsClosing)
 				return;
 			for (var i = 0; i < editorListModel.count; i++)
 			{
diff --git a/mix/qml/ProjectModel.qml b/mix/qml/ProjectModel.qml
index 7cd1363a6..f4b73b601 100644
--- a/mix/qml/ProjectModel.qml
+++ b/mix/qml/ProjectModel.qml
@@ -35,6 +35,7 @@ Item {
 	readonly property string projectFileName: ".mix"
 
 	property bool appIsClosing: false
+	property bool projectIsClosing: false
 	property string projectPath: ""
 	property string projectTitle: ""
 	property string currentDocumentId: ""
@@ -121,13 +122,17 @@ Item {
 		icon: StandardIcon.Question
 		property var callBack;
 		onYes: {
+			projectIsClosing = true;
 			projectModel.saveAll();
+			unsavedFiles = [];
 			ProjectModelCode.doCloseProject();
 			if (callBack)
 				callBack();
 		}
 		onRejected: {}
 		onNo: {
+			projectIsClosing = true;
+			unsavedFiles = [];
 			ProjectModelCode.doCloseProject();
 			if (callBack)
 				callBack();
diff --git a/mix/qml/TransactionLog.qml b/mix/qml/TransactionLog.qml
index e1c1f6b0b..43736a89a 100644
--- a/mix/qml/TransactionLog.qml
+++ b/mix/qml/TransactionLog.qml
@@ -44,7 +44,7 @@ Item {
 				target: projectModel
 				onProjectSaved:
 				{
-					if (projectModel.appIsClosing)
+					if (projectModel.appIsClosing || projectModel.projectIsClosing)
 						return;
 					if (compilationStatus.compilationComplete && codeModel.hasContract && !clientModel.running)
 						projectModel.stateListModel.debugDefaultState();
diff --git a/mix/qml/WebCodeEditor.qml b/mix/qml/WebCodeEditor.qml
index 3313cd2dd..39c840dca 100644
--- a/mix/qml/WebCodeEditor.qml
+++ b/mix/qml/WebCodeEditor.qml
@@ -18,7 +18,7 @@ Item {
 	function setText(text, mode) {
 		currentText = text;
 		currentMode = mode;
-		if (initialized) {
+		if (initialized && editorBrowser) {
 			editorBrowser.runJavaScript("setTextBase64(\"" + Qt.btoa(text) + "\")");
 			editorBrowser.runJavaScript("setMode(\"" + mode + "\")");
 		}
@@ -26,7 +26,8 @@ Item {
 	}
 
 	function setFocus() {
-		editorBrowser.forceActiveFocus();
+		if (editorBrowser)
+			editorBrowser.forceActiveFocus();
 	}
 
 	function getText() {
@@ -34,19 +35,19 @@ Item {
 	}
 
 	function syncClipboard() {
-		if (Qt.platform.os == "osx") {
+		if (Qt.platform.os == "osx" && editorBrowser) {
 			var text = clipboard.text;
 			editorBrowser.runJavaScript("setClipboardBase64(\"" + Qt.btoa(text) + "\")");
 		}
 	}
 
 	function highlightExecution(location) {
-		if (initialized)
+		if (initialized && editorBrowser)
 			editorBrowser.runJavaScript("highlightExecution(" + location.start + "," + location.end + ")");
 	}
 
 	function showWarning(content) {
-		if (initialized)
+		if (initialized && editorBrowser)
 			editorBrowser.runJavaScript("showWarning('" + content + "')");
 	}
 
@@ -55,12 +56,12 @@ Item {
 	}
 
 	function toggleBreakpoint() {
-		if (initialized)
+		if (initialized && editorBrowser)
 			editorBrowser.runJavaScript("toggleBreakpoint()");
 	}
 
 	function changeGeneration() {
-		if (initialized)
+		if (initialized && editorBrowser)
 			editorBrowser.runJavaScript("changeGeneration()", function(result) {});
 	}
 
@@ -81,9 +82,15 @@ Item {
 			console.log("editor: " + sourceID + ":" + lineNumber + ":" + message);
 		}
 
+		Component.onDestruction:
+		{
+			codeModel.onCompilationComplete.disconnect(compilationComplete);
+			codeModel.onCompilationError.disconnect(compilationError);
+		}
+
 		onLoadingChanged:
 		{
-			if (!loading) {
+			if (!loading && editorBrowser) {
 				initialized = true;
 				setText(currentText, currentMode);
 				runJavaScript("getTextChanged()", function(result) { });
@@ -91,23 +98,31 @@ Item {
 				syncClipboard();
 				if (currentMode === "solidity")
 				{
-					codeModel.onCompilationComplete.connect(function(){
-						runJavaScript("compilationComplete()", function(result) { });
-					});
-
-					codeModel.onCompilationError.connect(function(error){
-						var errorInfo = ErrorLocationFormater.extractErrorInfo(error, false);
-						if (errorInfo.line && errorInfo.column)
-							runJavaScript("compilationError('" +  errorInfo.line + "', '" +  errorInfo.column + "', '" +  errorInfo.errorDetail + "')", function(result) { });
-						else
-							runJavaScript("compilationComplete()", function(result) { });
-					});
+					codeModel.onCompilationComplete.connect(compilationComplete);
+					codeModel.onCompilationError.connect(compilationError);
 				}
 				parent.changeGeneration();
-
 			}
 		}
 
+
+		function compilationComplete()
+		{
+			if (editorBrowser)
+				editorBrowser.runJavaScript("compilationComplete()", function(result) { });
+		}
+
+		function compilationError(error)
+		{
+			if (!editorBrowser || !error)
+				return;
+			var errorInfo = ErrorLocationFormater.extractErrorInfo(error, false);
+			if (errorInfo.line && errorInfo.column)
+				editorBrowser.runJavaScript("compilationError('" +  errorInfo.line + "', '" +  errorInfo.column + "', '" +  errorInfo.errorDetail + "')", function(result) { });
+			else
+				editorBrowser.runJavaScript("compilationComplete()", function(result) { });
+		}
+
 		Timer
 		{
 			id: pollTimer
@@ -115,6 +130,8 @@ Item {
 			running: false
 			repeat: true
 			onTriggered: {
+				if (!editorBrowser)
+					return;
 				editorBrowser.runJavaScript("getTextChanged()", function(result) {
 					if (result === true) {
 						editorBrowser.runJavaScript("getText()" , function(textValue) {
diff --git a/mix/qml/html/cm/errorannotation.js b/mix/qml/html/cm/errorannotation.js
index 03e36c927..a9f5c289f 100644
--- a/mix/qml/html/cm/errorannotation.js
+++ b/mix/qml/html/cm/errorannotation.js
@@ -23,12 +23,15 @@ ErrorAnnotation.prototype.init = function()
 
 ErrorAnnotation.prototype.open = function()
 {
-	var node = document.createElement("div");
-	node.id = "annotation"
-	node.innerHTML = this.content;
-	node.className = "CodeMirror-errorannotation-context";
-	this.lineWidget = this.editor.addLineWidget(this.errorMark.find().from.line, node, { coverGutter: false });
-	this.opened = true;
+	if (this.errorMark.find())
+	{
+		var node = document.createElement("div");
+		node.id = "annotation"
+		node.innerHTML = this.content;
+		node.className = "CodeMirror-errorannotation-context";
+		this.lineWidget = this.editor.addLineWidget(this.errorMark.find().from.line, node, { coverGutter: false });
+		this.opened = true;
+	}
 }
 
 ErrorAnnotation.prototype.close = function()
diff --git a/mix/qml/js/ProjectModel.js b/mix/qml/js/ProjectModel.js
index 625722c56..177115f83 100644
--- a/mix/qml/js/ProjectModel.js
+++ b/mix/qml/js/ProjectModel.js
@@ -51,6 +51,7 @@ function closeProject(callBack) {
 	}
 	else
 	{
+		projectIsClosing = true;
 		doCloseProject();
 		if (callBack)
 			callBack();
@@ -96,45 +97,45 @@ function saveProjectFile()
 
 function loadProject(path) {
 	closeProject(function() {
-		console.log("Loading project at " + path);
-		var projectFile = path + projectFileName;
-		var json = fileIo.readFile(projectFile);
-		var projectData = JSON.parse(json);
-		if (projectData.deploymentDir)
-			projectModel.deploymentDir = projectData.deploymentDir
-		if (projectData.packageHash)
-			deploymentDialog.packageHash =  projectData.packageHash
-		if (projectData.packageBase64)
-			deploymentDialog.packageBase64 =  projectData.packageBase64
-		if (projectData.applicationUrlEth)
-			deploymentDialog.applicationUrlEth = projectData.applicationUrlEth
-		if (projectData.applicationUrlHttp)
-			deploymentDialog.applicationUrlHttp = projectData.applicationUrlHttp
-		if (!projectData.title) {
-			var parts = path.split("/");
-			projectData.title = parts[parts.length - 2];
-		}
-		deploymentAddresses = projectData.deploymentAddresses ? projectData.deploymentAddresses : [];
-		projectTitle = projectData.title;
-		projectPath = path;
-		if (!projectData.files)
-			projectData.files = [];
-
-		for(var i = 0; i < projectData.files.length; i++) {
-			addFile(projectData.files[i]);
-		}
-		projectSettings.lastProjectPath = path;
-		projectLoading(projectData);
-		projectLoaded()
-
-		//TODO: move this to codemodel
-		var contractSources = {};
-		for (var d = 0; d < listModel.count; d++) {
-			var doc = listModel.get(d);
-			if (doc.isContract)
-				contractSources[doc.documentId] = fileIo.readFile(doc.path);
-		}
-		codeModel.reset(contractSources);
+			console.log("Loading project at " + path);
+			var projectFile = path + projectFileName;
+			var json = fileIo.readFile(projectFile);
+			var projectData = JSON.parse(json);
+			if (projectData.deploymentDir)
+				projectModel.deploymentDir = projectData.deploymentDir
+			if (projectData.packageHash)
+				deploymentDialog.packageHash =  projectData.packageHash
+			if (projectData.packageBase64)
+				deploymentDialog.packageBase64 =  projectData.packageBase64
+			if (projectData.applicationUrlEth)
+				deploymentDialog.applicationUrlEth = projectData.applicationUrlEth
+			if (projectData.applicationUrlHttp)
+				deploymentDialog.applicationUrlHttp = projectData.applicationUrlHttp
+			if (!projectData.title) {
+				var parts = path.split("/");
+				projectData.title = parts[parts.length - 2];
+			}
+			deploymentAddresses = projectData.deploymentAddresses ? projectData.deploymentAddresses : [];
+			projectTitle = projectData.title;
+			projectPath = path;
+			if (!projectData.files)
+				projectData.files = [];
+
+			for(var i = 0; i < projectData.files.length; i++) {
+				addFile(projectData.files[i]);
+			}
+			projectSettings.lastProjectPath = path;
+			projectLoading(projectData);
+			projectLoaded()
+
+			//TODO: move this to codemodel
+			var contractSources = {};
+			for (var d = 0; d < listModel.count; d++) {
+				var doc = listModel.get(d);
+				if (doc.isContract)
+					contractSources[doc.documentId] = fileIo.readFile(doc.path);
+			}
+			codeModel.reset(contractSources);
 	});
 }