diff --git a/chrome/content/zotero/xpcom/collectionTreeView.js b/chrome/content/zotero/xpcom/collectionTreeView.js
index 4ccd1a26f9..2d6e4520b0 100644
--- a/chrome/content/zotero/xpcom/collectionTreeView.js
+++ b/chrome/content/zotero/xpcom/collectionTreeView.js
@@ -319,6 +319,7 @@ Zotero.CollectionTreeView.prototype.setHighlightedRows = function (ids) {
 	this._treebox.invalidate();
 	
 	for each(var id in ids) {
+		this.expandToCollection(id);
 		this._highlightedRows[this._collectionRowMap[id]] = true;
 		this._treebox.invalidateRow(this._collectionRowMap[id]);
 	}
@@ -468,6 +469,32 @@ Zotero.CollectionTreeView.prototype.expandAllRows = function(treebox) {
 }
 
 
+Zotero.CollectionTreeView.prototype.expandToCollection = function(collectionID) {
+	var col = Zotero.Collections.get(collectionID);
+	if (!col) {
+		Zotero.debug("Cannot expand to nonexistent collection " + collectionID, 2);
+		return false;
+	}
+	var row = this._collectionRowMap[collectionID];
+	if (row) {
+		return true;
+	}
+	var path = [];
+	var parent;
+	while (parent = col.getParent()) {
+		path.unshift(parent);
+		col = Zotero.Collections.get(parent);
+	}
+	for each(var id in path) {
+		row = this._collectionRowMap[id];
+		if (!this.isContainerOpen(row)) {
+			this.toggleOpenState(row);
+		}
+	}
+	return true;
+}
+
+
 Zotero.CollectionTreeView.prototype.collapseAllRows = function(treebox) {
 	var view = treebox.view;
 	treebox.beginUpdateBatch();
diff --git a/chrome/content/zotero/xpcom/db.js b/chrome/content/zotero/xpcom/db.js
index b0fd3b7b87..c6d2713843 100644
--- a/chrome/content/zotero/xpcom/db.js
+++ b/chrome/content/zotero/xpcom/db.js
@@ -721,7 +721,15 @@ Zotero.DBConnection.prototype.backupDatabase = function (suffix) {
 	// after deleting the old backup file
 	var tmpFile = Zotero.getZoteroDatabase(this._dbName, 'tmp');
 	if (tmpFile.exists()) {
-		tmpFile.remove(null);
+		try {
+			tmpFile.remove(false);
+		}
+		catch (e) {
+			if (e.name == 'NS_ERROR_FILE_ACCESS_DENIED') {
+				alert("Cannot delete " + tmpFile.leafName);
+			}
+			throw (e);
+		}
 	}
 	
 	try {
diff --git a/chrome/content/zotero/xpcom/integration.js b/chrome/content/zotero/xpcom/integration.js
index c3d86790d4..16da290aa7 100644
--- a/chrome/content/zotero/xpcom/integration.js
+++ b/chrome/content/zotero/xpcom/integration.js
@@ -38,7 +38,7 @@ Zotero.Integration = new function() {
 	this.handleEnvelope = handleEnvelope;
 	
 	this.__defineGetter__("usePopup", function () {
-		return !Zotero.isMac && !Zotero.Prefs.get("integration.realWindow");
+		return Zotero.isWin && !Zotero.Prefs.get("integration.realWindow");
 	});
 	
 	/*
diff --git a/chrome/content/zotero/xpcom/itemTreeView.js b/chrome/content/zotero/xpcom/itemTreeView.js
index bc00fdb9de..85dcabec90 100644
--- a/chrome/content/zotero/xpcom/itemTreeView.js
+++ b/chrome/content/zotero/xpcom/itemTreeView.js
@@ -608,31 +608,35 @@ Zotero.ItemTreeView.prototype.getCellText = function(row, column)
 		}
 	}
 	
-	if(column.id == 'zotero-items-column-dateAdded' || column.id == 'zotero-items-column-dateModified')		//this is not so much that we will use this format for date, but a simple template for later revisions.
-	{
-		// Format date as short date in proper locale order and locale time
+	switch (column.id) {
+		// Format dates as short dates in proper locale order and locale time
 		// (e.g. "4/4/07 14:27:23")
-		var order = Zotero.Date.getLocaleDateOrder();
-		var date = Zotero.Date.sqlToDate(val, true);
-		var parts = [];
-		for (var i=0; i<3; i++) {
-			switch (order[i]) {
-				case 'y':
-					parts.push(date.getFullYear().toString().substr(2));
-					break;
+		case 'zotero-items-column-dateAdded':
+		case 'zotero-items-column-dateModified':
+		case 'zotero-items-column-accessDate':
+			if (val) {
+				var order = Zotero.Date.getLocaleDateOrder();
+				var date = Zotero.Date.sqlToDate(val, true);
+				var parts = [];
+				for (var i=0; i<3; i++) {
+					switch (order[i]) {
+						case 'y':
+							parts.push(date.getFullYear().toString().substr(2));
+							break;
+							
+						case 'm':
+							parts.push((date.getMonth() + 1));
+							break;
+							
+						case 'd':
+							parts.push(date.getDate());
+							break;
+					}
 					
-				case 'm':
-					parts.push((date.getMonth() + 1));
-					break;
-					
-				case 'd':
-					parts.push(date.getDate());
-					break;
+					val = parts.join('/');
+					val += ' ' + date.toLocaleTimeString();
+				}
 			}
-			
-			val = parts.join('/');
-			val += ' ' + date.toLocaleTimeString();
-		}
 	}
 	
 	return val;
diff --git a/chrome/content/zotero/xpcom/utilities.js b/chrome/content/zotero/xpcom/utilities.js
index 13423eb9df..3e84aa4990 100644
--- a/chrome/content/zotero/xpcom/utilities.js
+++ b/chrome/content/zotero/xpcom/utilities.js
@@ -1267,7 +1267,6 @@ Zotero.Utilities.HTTP = new function() {
 		var loadEvent = Zotero.isFx2 ? "load" : "pageshow";
 		
 		var hiddenBrowser = Zotero.Browser.createHiddenBrowser();
-		hiddenBrowser.docShell.allowImages = false;
 		hiddenBrowser.addEventListener(loadEvent, onLoad, true);
 		
 		doLoad();
diff --git a/chrome/content/zotero/xpcom/zotero.js b/chrome/content/zotero/xpcom/zotero.js
index 2561b1a921..5641a76138 100644
--- a/chrome/content/zotero/xpcom/zotero.js
+++ b/chrome/content/zotero/xpcom/zotero.js
@@ -595,6 +595,7 @@ var Zotero = new function(){
 				'[JavaScript Error: "this._uiElement is null',
 				'Error: a._updateVisibleText is not a function',
 				'[JavaScript Error: "Warning: unrecognized command line flag ',
+				'[JavaScript Error: "Warning: unrecognized command line flag -foreground',
 				'LibX:',
 				'function skype_',
 				'[JavaScript Error: "uncaught exception: Permission denied to call method Location.toString"]'