diff --git a/extensions-builtin/sdnext-kanvas b/extensions-builtin/sdnext-kanvas
index dc7cfbfac..a18c8a90a 160000
--- a/extensions-builtin/sdnext-kanvas
+++ b/extensions-builtin/sdnext-kanvas
@@ -1 +1 @@
-Subproject commit dc7cfbface201e95f7795f82d4b33ad880e5766b
+Subproject commit a18c8a90a27fa79689fb976bdabd167e437a3978
diff --git a/extensions-builtin/sdnext-modernui b/extensions-builtin/sdnext-modernui
index 7d89b6efe..37b51427a 160000
--- a/extensions-builtin/sdnext-modernui
+++ b/extensions-builtin/sdnext-modernui
@@ -1 +1 @@
-Subproject commit 7d89b6efed2f22e5f6aa85f810fed6177f212389
+Subproject commit 37b51427a974a9410bf42c3858b3abdc820466a9
diff --git a/javascript/control.js b/javascript/control.js
index 1db434778..1e99a4d26 100644
--- a/javascript/control.js
+++ b/javascript/control.js
@@ -4,14 +4,14 @@ function controlInputMode(inputMode, ...args) {
   const tab = gradioApp().querySelector('#control-tab-input button.selected');
   if (!tab) return ['Image', ...args];
   let inputTab = tab.innerText;
-  log('controlInputMode', inputMode, inputTab);
-  if ((inputTab === 'Image') && ('kanvas' in window)) {
+  log('controlInputMode', { mode: inputMode, tab: inputTab, kanvas: typeof Kanvas });
+  if ((inputTab === 'Image') && (typeof 'Kanvas' !== 'undefined')) {
     inputTab = 'Kanvas';
     // const imageData = window.kanvas.getImageData();
     const imageData = window.kanvas.getImage();
     args[0] = imageData;
   }
-  return [inputMode, ...args];
+  return [inputTab, ...args];
 }
 
 async function setupControlUI() {
diff --git a/modules/control/run.py b/modules/control/run.py
index 360b0b446..b33a2774d 100644
--- a/modules/control/run.py
+++ b/modules/control/run.py
@@ -521,7 +521,7 @@ def control_run(state: str = '', # pylint: disable=keyword-arg-before-vararg
                             yield terminate('Interrupted')
                         return [], '', '', 'Interrupted'
                     # get input
-                    if isinstance(input_image, str):
+                    if isinstance(input_image, str) and os.path.exists(input_image):
                         try:
                             input_image = Image.open(input_image)
                         except Exception as e:
diff --git a/modules/ui_control_helpers.py b/modules/ui_control_helpers.py
index 99504491a..6940411ef 100644
--- a/modules/ui_control_helpers.py
+++ b/modules/ui_control_helpers.py
@@ -67,6 +67,8 @@ def display_units(num_units):
 
 
 def get_video(filepath: str):
+    if not os.path.exists(filepath):
+        return ''
     try:
         frames, fps, duration, w, h, codec, _cap = video.get_video_params(filepath)
         shared.log.debug(f'Control: input video: path={filepath} frames={frames} fps={fps} size={w}x{h} codec={codec}')
@@ -175,7 +177,7 @@ def select_input(input_mode, input_image, init_image, init_type, input_video, in
         input_source = [selected_input.value]
         input_type = 'gr.Image'
         res = [gr.Tabs.update(selected='out-gallery'), input_mask, status]
-    elif isinstance(selected_input, str): # video via upload > tmp filepath to video
+    elif isinstance(selected_input, str) and os.path.exists(selected_input): # video via upload > tmp filepath to video
         input_source = selected_input
         input_type = 'gr.Video'
         status = get_video(input_source)