diff --git a/lib/remote-capture-preload.js b/lib/remote-capture-preload.js
index 5ba32fe..c32fa96 100644
--- a/lib/remote-capture-preload.js
+++ b/lib/remote-capture-preload.js
@@ -16,5 +16,8 @@ contextBridge.exposeInMainWorld('capture', {
   sendInput: (data) => ipcRenderer.send('remote:input-event', data),
 
   // Notify main process of client connection/disconnection
-  notifyClientCount: (count) => ipcRenderer.send('remote:client-count', count)
+  notifyClientCount: (count) => ipcRenderer.send('remote:client-count', count),
+
+  // Debug logging to main process
+  log: (...args) => ipcRenderer.send('remote:capture-log', args.join(' '))
 });
diff --git a/lib/remote-capture.html b/lib/remote-capture.html
index 89cd076..47337cc 100644
--- a/lib/remote-capture.html
+++ b/lib/remote-capture.html
@@ -12,26 +12,35 @@ async function getCaptureStream() {
 
   // desktopCapturer runs in main process (Electron 33+), we get the source ID via IPC
   const sourceId = await window.capture.getSourceId();
+  window.capture.log('getSourceId returned:', sourceId || 'NULL');
   if (!sourceId) throw new Error('No capture source ID from main process');
 
-  captureStream = await navigator.mediaDevices.getUserMedia({
-    audio: false,
-    video: {
-      mandatory: {
-        chromeMediaSource: 'desktop',
-        chromeMediaSourceId: sourceId,
-        minWidth: 1280,
-        maxWidth: 1920,
-        minHeight: 720,
-        maxHeight: 1080,
-        maxFrameRate: 30
+  try {
+    captureStream = await navigator.mediaDevices.getUserMedia({
+      audio: false,
+      video: {
+        mandatory: {
+          chromeMediaSource: 'desktop',
+          chromeMediaSourceId: sourceId,
+          minWidth: 1280,
+          maxWidth: 1920,
+          minHeight: 720,
+          maxHeight: 1080,
+          maxFrameRate: 30
+        }
       }
-    }
-  });
-  return captureStream;
+    });
+    const tracks = captureStream.getTracks();
+    window.capture.log('getUserMedia OK, tracks:', tracks.length, tracks.map(t => `${t.kind}:${t.readyState}`).join(','));
+    return captureStream;
+  } catch (err) {
+    window.capture.log('getUserMedia FAILED:', err.message);
+    throw err;
+  }
 }
 
 async function handleOffer(clientId, offer, role) {
+  window.capture.log('handleOffer called for', clientId);
   const stream = await getCaptureStream();
 
   const pc = new RTCPeerConnection({
@@ -40,9 +49,12 @@ async function handleOffer(clientId, offer, role) {
   clients.set(clientId, { pc, role });
 
   // Add video tracks
-  for (const track of stream.getTracks()) {
+  const tracks = stream.getTracks();
+  window.capture.log('Adding', tracks.length, 'tracks to peer connection');
+  for (const track of tracks) {
     pc.addTrack(track, stream);
   }
+  window.capture.log('Senders after addTrack:', pc.getSenders().length);
 
   // Handle DataChannel from dashboard (dashboard creates it as offerer)
   pc.ondatachannel = (event) => {
diff --git a/main.js b/main.js
index 856f605..be5d1a1 100644
--- a/main.js
+++ b/main.js
@@ -1009,6 +1009,11 @@ ipcMain.on('remote:signaling-from-capture', (_event, data) => {
   }
 });
 
+// IPC: Debug logging from capture window
+ipcMain.on('remote:capture-log', (_event, msg) => {
+  debugLog('remote-capture:', msg);
+});
+
 // IPC: Input events from capture window
 ipcMain.on('remote:input-event', (_event, data) => {
   if (!mainWindow || mainWindow.isDestroyed()) return;
diff --git a/package.json b/package.json
index 7075e7d..1a64d12 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "multi-hoster-uploader",
-  "version": "2.1.4",
+  "version": "2.1.5",
   "description": "Upload files to doodstream, voe, vidmoly, byse simultaneously",
   "main": "main.js",
   "scripts": {