diff --git a/lib/file-control.php b/lib/file-control.php
index 4ca64ef..86ef062 100644
--- a/lib/file-control.php
+++ b/lib/file-control.php
@@ -42,7 +42,7 @@ if ($_GET['action']=="load") {
 
 // If we're due to add a new folder...
 if ($_GET['action']=="newFolder") {
-	if (is_writable($docRoot.$fileLoc)) {
+	if (!$demoMode && is_writable($docRoot.$fileLoc)) {
 		mkdir($file, 0705);
 		// Reload file manager
 		echo '<script>top.ICEcoder.selectedFiles=[];top.ICEcoder.updateFileManagerList(\'add\',\''.$fileLoc.'\',\''.$fileName.'\');action="newFolder";</script>';
@@ -55,7 +55,7 @@ if ($_GET['action']=="newFolder") {
 // If we're due to paste a new file...
 if ($_GET['action']=="paste") {
 	$location = $docRoot.strClean(str_replace("|","/",$_GET['location']));
-	if (is_writable($location)) {
+	if (!$demoMode && is_writable($location)) {
 		copy($file, $location."/".basename($file));
 		// Reload file manager
 		echo '<script>top.ICEcoder.selectedFiles=[];top.ICEcoder.updateFileManagerList(\'add\',\''.str_replace($docRoot,"",$location).'\',\''.$fileName.'\');action="pasteFile";</script>';
@@ -67,7 +67,7 @@ if ($_GET['action']=="paste") {
 
 // If we're due to rename a file/folder...
 if ($_GET['action']=="rename") {
-	if (is_writable($docRoot.$iceRoot.str_replace("|","/",strClean($_GET['oldFileName'])))) {
+	if (!$demoMode && is_writable($docRoot.$iceRoot.str_replace("|","/",strClean($_GET['oldFileName'])))) {
 		rename($docRoot.$iceRoot.str_replace("|","/",strClean($_GET['oldFileName'])),$docRoot.$fileLoc."/".$fileName);
 		// Reload file manager
 		echo '<script>top.ICEcoder.selectedFiles=[];top.ICEcoder.updateFileManagerList(\'rename\',\''.$fileLoc.'\',\''.$fileName.'\',\'\',\''.str_replace($iceRoot,"",strClean($_GET['oldFileName'])).'\');';
@@ -80,7 +80,7 @@ if ($_GET['action']=="rename") {
 
 // If we're due to replace text in a file...
 if ($_GET['action']=="replaceText") {
-	if (is_writable(str_replace("|","/",strClean($_GET['fileRef'])))) {
+	if (!$demoMode && is_writable(str_replace("|","/",strClean($_GET['fileRef'])))) {
 		$file = str_replace("|","/",strClean($_GET['fileRef']));
 		$loadedFile = file_get_contents($file);
 		$newContent = str_replace(strClean($_GET['find']),strClean($_GET['replace']),$loadedFile);
@@ -96,7 +96,7 @@ if ($_GET['action']=="replaceText") {
 
 // If we're due to change permissions on a file/folder...
 if ($_GET['action']=="perms") {
-	if (is_writable($file)) {
+	if (!$demoMode && is_writable($file)) {
 		chmod($file,octdec(numClean($_GET['perms'])));
 		// Reload file manager
 		echo '<script>top.ICEcoder.selectedFiles=[];top.ICEcoder.updateFileManagerList(\'chmod\',\''.$fileLoc.'\',\''.$fileName.'\',\''.numClean($_GET['perms']).'\');';
@@ -111,7 +111,7 @@ if ($_GET['action']=="perms") {
 if ($_GET['action']=="delete") {
 	$filesArray = explode(";",$file); // May contain more than one file here
 	for ($i=0;$i<=count($filesArray)-1;$i++) {
-		if (is_writable($iceRoot.$filesArray[$i])) {
+		if (!$demoMode && is_writable($iceRoot.$filesArray[$i])) {
 			is_dir($iceRoot.$filesArray[$i])
 				? rrmdir($iceRoot.$filesArray[$i])
 				: unlink($iceRoot.$filesArray[$i]);
@@ -146,7 +146,7 @@ if ($_GET['action']=="save") {
 	echo '<script>action="save";</script>';
 	// on the form posting via a reload, save the file
 	if (isset($_POST['contents'])) {
-		if ((file_exists($file) && is_writable($file)) || isset($_POST['newFileName']) && $_POST['newFileName']!="") {
+		if (!$demoMode && ((file_exists($file) && is_writable($file)) || isset($_POST['newFileName']) && $_POST['newFileName']!="")) {
 			if (filemtime($file)==$_GET['fileMDT']||!(isset($_GET['fileMDT']))) {
 				$fh = fopen($file, 'w') or die("Sorry, cannot save");
 				fwrite($fh, $_POST['contents']);