diff -ur endpoints/api.php.orig endpoints/api.php
--- endpoints/api.php.orig
+++ endpoints/api.php
@@ -334,6 +334,9 @@
 
 	// Just append to $vbox->errors and let it get
 	// taken care of below
+	if(!isset($vbox)) {
+		$vbox = new stdClass();
+	}
 	if(!$vbox || !$vbox->errors) {
 		$vbox->errors = array();
 	}
@@ -342,7 +345,7 @@
 
 
 // Add any messages
-if($vbox && count($vbox->messages)) {
+if($vbox && isset($vbox->messages)?count($vbox->messages):false) {
 	foreach($vbox->messages as $m)
 		$response['messages'][] = 'vboxconnector('.$request['fn'] .'): ' . $m;
 }
@@ -360,7 +363,7 @@
 		if($e->getCode() == vboxconnector::PHPVB_ERRNO_CONNECT && isset($vbox->settings))
 			$d .= "\n\nLocation:" . $vbox->settings->location;
 
-		$response['messages'][] = htmlentities($e->getMessage()).' ' . htmlentities($details);
+		$response['messages'][] = htmlentities($e->getMessage()). htmlentities(' '. $details);
 
 		$response['errors'][] = array(
 			'error'=> ($e->getCode() & vboxconnector::PHPVB_ERRNO_HTML ? $e->getMessage() : htmlentities($e->getMessage())),
diff -ur endpoints/jqueryFileTree.php.orig endpoints/jqueryFileTree.php
--- endpoints/jqueryFileTree.php.orig
+++ endpoints/jqueryFileTree.php
@@ -223,6 +223,8 @@
  */
 function getdir($dir, $dirsOnly=false, $recurse=array()) {
 
+	global $allowed_exts;
+
 	if(!$dir) $dir = DSEP;
 
 	$entries = getDirEntries($dir, $dirsOnly);
@@ -251,9 +253,9 @@
         	// Push file on to stack
         	} else {
 
-        		$ext = strtolower(preg_replace('/^.*\./', '', $file));
+        		$ext = strtolower(preg_replace('/^.*\./', '', $path));
 
-                if(count($allowed) && !$allowed['.'.$ext]) continue;
+                if(count($allowed_exts) && !$allowed_exts['.'.$ext]) continue;
 
                 array_push($dirents, file_entry($path));
         	}
diff -ur endpoints/lib/language.php.orig endpoints/lib/language.php
--- endpoints/lib/language.php.orig
+++ endpoints/lib/language.php
@@ -73,6 +73,8 @@
 		$xmlObj = simplexml_load_string(@file_get_contents(VBOX_BASE_LANG_DIR.'/'.$lang.'.xml'));
 		$arrXml = $this->objectsIntoArray($xmlObj);
 
+		if(!array_key_exists('context',$arrXml)) return;
+
 		$lang = array();
 		if(!@$arrXml['context'][0]) $arrXml['context'] = array($arrXml['context']);
 		foreach($arrXml['context'] as $c) {
diff -ur endpoints/lib/vboxServiceWrappers.php.orig endpoints/lib/vboxServiceWrappers.php
--- endpoints/lib/vboxServiceWrappers.php.orig
+++ endpoints/lib/vboxServiceWrappers.php
@@ -108,7 +108,7 @@
     }
 
     /** ArrayAccess Functions **/
-    public function offsetSet($offset, $value)
+    public function offsetSet($offset, $value): void
     {
         if ($value instanceof $this->_interfaceName)
         {
@@ -127,49 +127,50 @@
         }
     }
 
-    public function offsetExists($offset)
+    public function offsetExists($offset): bool
     {
         return isset($this->_objects[$offset]);
     }
 
-    public function offsetUnset($offset)
+    public function offsetUnset($offset): void
     {
         unset($this->_objects[$offset]);
     }
 
-    public function offsetGet($offset)
+    public function offsetGet($offset): mixed
     {
         return isset($this->_objects[$offset]) ? $this->_objects[$offset] : null;
     }
 
     /** Iterator Functions **/
-    public function rewind()
+    public function rewind(): void
     {
         reset($this->_objects);
     }
 
-    public function current()
+    public function current(): mixed
     {
         return current($this->_objects);
     }
 
-    public function key()
+    public function key(): mixed
     {
         return key($this->_objects);
     }
 
+    #[\ReturnTypeWillChange]
     public function next()
     {
         return next($this->_objects);
     }
 
-    public function valid()
+    public function valid(): bool
     {
         return ($this->current() !== false);
     }
 
     /** Countable Functions **/
-    public function count()
+    public function count(): int
     {
         return count($this->_objects);
     }
diff -ur endpoints/screen.php.orig endpoints/screen.php
--- endpoints/screen.php.orig
+++ endpoints/screen.php
@@ -87,13 +87,13 @@
 
 		// Let the browser cache images for 3 seconds
 		$ctime = 0;
-		if(strpos($_SERVER['HTTP_IF_NONE_MATCH'],'_')) {
+		if(strpos($_SERVER['HTTP_IF_NONE_MATCH'] ?? '','_')) {
 			$ctime = preg_replace("/.*_/",str_replace('"','',$_SERVER['HTTP_IF_NONE_MATCH']));
-		} else if(strpos($_ENV['HTTP_IF_NONE_MATCH'],'_')) {
+		} else if(strpos($_ENV['HTTP_IF_NONE_MATCH'] ?? '','_')) {
 			$ctime = preg_replace("/.*_/",str_replace('"','',$_ENV['HTTP_IF_NONE_MATCH']));
-		} else if(strpos($_SERVER['HTTP_IF_MODIFIED_SINCE'],'GMT')) {
+		} else if(strpos($_SERVER['HTTP_IF_MODIFIED_SINCE'] ?? '','GMT')) {
 			$ctime = strtotime($_SERVER['HTTP_IF_MODIFIED_SINCE']);
-		} else if(strpos($_ENV['HTTP_IF_MODIFIED_SINCE'],'GMT')) {
+		} else if(strpos($_ENV['HTTP_IF_MODIFIED_SINCE'] ?? '','GMT')) {
 			$ctime = strtotime($_ENV['HTTP_IF_MODIFIED_SINCE']);
 		}
 
diff -ur panes/settingsDisplay.html.orig panes/settingsDisplay.html
--- panes/settingsDisplay.html.orig
+++ panes/settingsDisplay.html
@@ -77,9 +77,9 @@
 		<th><span class='translate'>Authentication Method:</span></th>
 		<td>
              <select name='vboxSettingsDisplayVRDEAuth' id='vboxSettingsDisplayVRDEAuthID' style='width: 100%'>
-              <option value='' >None</option>
-				<option value='External'>External</option>
-				<option value='Guest'>Guest</option>
+              <option value='Null'>None</option>
+              <option value='External'>External</option>
+              <option value='Guest'>Guest</option>
              </select>
           </td>
 	</tr>
diff -ur panes/settingsNetwork.html.orig panes/settingsNetwork.html
--- panes/settingsNetwork.html.orig
+++ panes/settingsNetwork.html
@@ -320,7 +320,7 @@
 	}
 
 	// Special case for Internal, Generic, and VDE network selects
-	if(sel.value == 'Internal' || sel.value == 'VDE' || sel.value == 'Generic' || sel.value == 'Bridged') {
+	if(sel.value == 'Internal' || sel.value == 'VDE' || sel.value == 'Generic') {
 		$(nsel).jec();
 	}