diff --git a/main.js b/main.js
index 5a12246..5e906f6 100644
--- a/main.js
+++ b/main.js
@@ -661,9 +661,18 @@ ipcMain.handle('start-upload', (_event, payload) => {
     ? buildUploadTasksFromJobs(config, jobs)
     : buildUploadTasks(config, files, hosters);
 
+  // Identify jobs that were skipped (no account/credentials)
+  const taskJobIds = new Set(tasks.map(t => t.jobId).filter(Boolean));
+  const skippedJobs = jobs.filter(j => j.id && !taskJobIds.has(j.id)).map(j => ({
+    jobId: j.id, hoster: j.hoster, reason: 'Kein gültiger Account für diesen Hoster'
+  }));
+  if (skippedJobs.length > 0) {
+    debugLog(`  skipped ${skippedJobs.length} jobs: ${skippedJobs.map(s => s.hoster).join(', ')}`);
+  }
+
   debugLog(`  tasks built: ${tasks.length}`);
 
-  if (tasks.length === 0) return { error: 'Keine gültigen Zugangsdaten für die gewählten Hoster.' };
+  if (tasks.length === 0) return { error: 'Keine gültigen Zugangsdaten für die gewählten Hoster.', skippedJobs };
 
   // Pass hoster settings to the upload manager
   uploadManager = new UploadManager(config.hosterSettings || {}, config.globalSettings || {});
@@ -752,7 +761,7 @@ ipcMain.handle('start-upload', (_event, payload) => {
   });
 
   debugLog(`start-upload returning started=true (startBatch deferred to nextTick)`);
-  return { started: true, taskCount: tasks.length };
+  return { started: true, taskCount: tasks.length, skippedJobs };
 });
 
 ipcMain.handle('cancel-upload', () => {
diff --git a/renderer/app.js b/renderer/app.js
index fa6108c..85c55e2 100644
--- a/renderer/app.js
+++ b/renderer/app.js
@@ -1322,6 +1322,7 @@ async function startUpload() {
       }))
     };
     const result = await window.api.startUpload(uploadPayload);
+    _markSkippedJobs(result);
     persistQueueStateSoon();
 
     if (result && result.error) {
@@ -1338,6 +1339,18 @@ async function startUpload() {
   }
 }
 
+function _markSkippedJobs(result) {
+  if (!result || !Array.isArray(result.skippedJobs) || result.skippedJobs.length === 0) return;
+  for (const skipped of result.skippedJobs) {
+    const job = _jobIndexById.get(skipped.jobId);
+    if (job) {
+      job.status = 'error';
+      job.error = skipped.reason || 'Kein gültiger Account';
+    }
+  }
+  renderQueueTable();
+}
+
 async function startSelectedUpload() {
   if (uploading) return;
   uploading = true; // set immediately to prevent double-click race
@@ -1373,6 +1386,7 @@ async function startSelectedUpload() {
     }))
   };
     const result = await window.api.startUpload(uploadPayload);
+    _markSkippedJobs(result);
     persistQueueStateSoon();
 
     if (result && result.error) {