diff --git a/renderer/app.js b/renderer/app.js
index 7e9a688..f01392f 100644
--- a/renderer/app.js
+++ b/renderer/app.js
@@ -2497,7 +2497,7 @@ function hideContextMenu() {
 async function deleteSelectedRecentFiles() {
   if (selectedRecentIds.size === 0) return;
   const count = selectedRecentIds.size;
-  if (!await showAppConfirm({ title: 'Ausgewählte Einträge entfernen?', message: count === 1 ? 'Ein ausgewählter Eintrag wird aus diesem Panel entfernt.' : `${count} ausgewählte Einträge werden aus diesem Panel entfernt.`, confirmText: 'Entfernen', danger: true })) return;
+  if (!await showAppConfirm({ title: 'Ausgewählte Einträge entfernen?', message: count === 1 ? 'Ein ausgewählter Eintrag wird aus diesem Panel entfernt.' : `${count} ausgewählte Einträge werden aus diesem Panel entfernt.`, confirmText: 'Entfernen', danger: true, defaultAction: 'confirm' })) return;
   let removedDone = 0, removedErr = 0;
   sessionFilesData = sessionFilesData.filter(r => {
     if (!selectedRecentIds.has(r.order)) return true;
@@ -2514,7 +2514,7 @@ async function deleteSelectedRecentFiles() {
 
 async function clearAllRecentFiles() {
   if (sessionFilesData.length === 0) return;
-  if (!await showAppConfirm({ title: 'Alle Links entfernen?', message: `Wirklich alle ${sessionFilesData.length} Links aus diesem Panel entfernen?`, confirmText: 'Alle entfernen', danger: true })) return;
+  if (!await showAppConfirm({ title: 'Alle Links entfernen?', message: `Wirklich alle ${sessionFilesData.length} Links aus diesem Panel entfernen?`, confirmText: 'Alle entfernen', danger: true, defaultAction: 'confirm' })) return;
   sessionFilesData = [];
   _sessionFileKeys.clear();
   _sessionDoneCount = 0;
@@ -3215,7 +3215,7 @@ async function handleContextAction(action, targetJobId = null) {
     await copyFailureDetails(targetJobId);
   } else if (action === 'delete-selected') {
     const count = selectedJobIds.size;
-    if (!count || !await showAppConfirm({ title: 'Uploads entfernen?', message: count === 1 ? 'Ein ausgewählter Upload wird aus der Liste entfernt.' : `${count} ausgewählte Uploads werden aus der Liste entfernt.`, confirmText: 'Entfernen', danger: true })) return;
+    if (!count || !await showAppConfirm({ title: 'Uploads entfernen?', message: count === 1 ? 'Ein ausgewählter Upload wird aus der Liste entfernt.' : `${count} ausgewählte Uploads werden aus der Liste entfernt.`, confirmText: 'Entfernen', danger: true, defaultAction: 'confirm' })) return;
     const activeIds = [...selectedJobIds].filter(id => {
       const j = _jobIndexById.get(id);
       return j && (j.status === 'uploading' || j.status === 'queued' || j.status === 'retrying' || j.status === 'getting-server');
@@ -3241,7 +3241,7 @@ async function handleContextAction(action, targetJobId = null) {
   } else if (action === 'copy-all-links') {
     copyAllLinks();
   } else if (action === 'delete-all') {
-    if (!queueJobs.length || !await showAppConfirm({ title: 'Alle Uploads entfernen?', message: `${queueJobs.length} ${queueJobs.length === 1 ? 'Upload wird' : 'Uploads werden'} aus der Liste entfernt.`, confirmText: 'Alle entfernen', danger: true })) return;
+    if (!queueJobs.length || !await showAppConfirm({ title: 'Alle Uploads entfernen?', message: `${queueJobs.length} ${queueJobs.length === 1 ? 'Upload wird' : 'Uploads werden'} aus der Liste entfernt.`, confirmText: 'Alle entfernen', danger: true, defaultAction: 'confirm' })) return;
     const hasActiveJobs = uploading || queueJobs.some(j => j.status === 'uploading' || j.status === 'queued' || j.status === 'retrying' || j.status === 'getting-server');
     if (hasActiveJobs) {
       _cancelAutoRetry(true);
@@ -4719,6 +4719,7 @@ function closeAppAlert(result = false) {
   if (!modal) return;
   modal.style.display = 'none';
   modal.setAttribute('aria-hidden', 'true');
+  delete modal.dataset.defaultAction;
   _setAppAlertBackgroundInert(false);
   const resolve = _appAlertResolve;
   _appAlertResolve = null;
@@ -4728,7 +4729,7 @@ function closeAppAlert(result = false) {
   if (resolve) resolve(result);
 }
 
-function showAppDialog({ message, title = 'Hinweis', confirmText = 'OK', cancelText = 'Abbrechen', alternateText = '', showCancel = false, danger = false } = {}) {
+function showAppDialog({ message, title = 'Hinweis', confirmText = 'OK', cancelText = 'Abbrechen', alternateText = '', showCancel = false, danger = false, defaultAction = 'cancel' } = {}) {
   const modal = document.getElementById('appAlertModal');
   const titleEl = document.getElementById('appAlertTitle');
   const messageEl = document.getElementById('appAlertMessage');
@@ -4748,8 +4749,9 @@ function showAppDialog({ message, title = 'Hinweis', confirmText = 'OK', cancelT
   alternate.hidden = !alternateText;
   modal.style.display = 'flex';
   modal.setAttribute('aria-hidden', 'false');
+  modal.dataset.defaultAction = defaultAction === 'confirm' ? 'confirm' : 'cancel';
   _setAppAlertBackgroundInert(true);
-  (showCancel ? cancel : confirm).focus();
+  (showCancel && modal.dataset.defaultAction !== 'confirm' ? cancel : confirm).focus();
   return new Promise(resolve => { _appAlertResolve = resolve; });
 }
 
@@ -4757,8 +4759,8 @@ function showAppAlert(message, title = 'Hinweis') {
   return showAppDialog({ message, title });
 }
 
-function showAppConfirm({ message, title = 'Bestätigen', confirmText = 'Bestätigen', cancelText = 'Abbrechen', danger = false } = {}) {
-  return showAppDialog({ message, title, confirmText, cancelText, showCancel: true, danger });
+function showAppConfirm({ message, title = 'Bestätigen', confirmText = 'Bestätigen', cancelText = 'Abbrechen', danger = false, defaultAction = 'cancel' } = {}) {
+  return showAppDialog({ message, title, confirmText, cancelText, showCancel: true, danger, defaultAction });
 }
 
 function showAppChoice({ message, title, confirmText, alternateText, cancelText = 'Abbrechen' } = {}) {
@@ -7686,6 +7688,19 @@ function setupListeners() {
       }
       return;
     }
+    if (event.key === 'Enter') {
+      const confirm = document.getElementById('appAlertConfirmBtn');
+      const safeActions = new Set([
+        document.getElementById('appAlertCancelBtn'),
+        document.getElementById('appAlertAlternateBtn'),
+        document.getElementById('appAlertCloseBtn')
+      ]);
+      if (modal.dataset.defaultAction !== 'confirm' || safeActions.has(document.activeElement) || confirm?.disabled) return;
+      event.preventDefault();
+      event.stopImmediatePropagation();
+      confirm?.click();
+      return;
+    }
     if (event.key === 'Escape') {
       event.preventDefault();
       event.stopImmediatePropagation();
diff --git a/tests/startup-renderer.test.js b/tests/startup-renderer.test.js
index ce5298c..4cc3ab0 100644
--- a/tests/startup-renderer.test.js
+++ b/tests/startup-renderer.test.js
@@ -142,6 +142,52 @@ contextBridge.exposeInMainWorld('api', {
   getManagedOnlineBackupProbeCalls() { return managedOnlineBackupProbeCalls; }
 });
 `, 'utf8');
+  const appDialogBehaviorScript = `(async () => {
+    setupListeners();
+    const settle = promise => Promise.race([
+      promise,
+      new Promise(resolve => setTimeout(() => resolve('pending'), 30))
+    ]);
+    const safePromise = showAppConfirm({ title: 'Safe', message: 'Safe default', confirmText: 'Continue', danger: true });
+    const safeFocus = document.activeElement?.id;
+    document.getElementById('appAlertCancelBtn').click();
+    const safeResult = await safePromise;
+    const removalPromise = showAppConfirm({ title: 'Remove', message: 'Remove now', confirmText: 'Remove', danger: true, defaultAction: 'confirm' });
+    const removalFocus = document.activeElement?.id;
+    document.dispatchEvent(new KeyboardEvent('keydown', { key: 'Enter', bubbles: true, cancelable: true }));
+    const removalEnterResult = await settle(removalPromise);
+    if (removalEnterResult === 'pending') document.getElementById('appAlertCancelBtn').click();
+    const cancelPromise = showAppConfirm({ title: 'Remove', message: 'Cancel intentionally', confirmText: 'Remove', danger: true, defaultAction: 'confirm' });
+    document.getElementById('appAlertCancelBtn').focus();
+    document.dispatchEvent(new KeyboardEvent('keydown', { key: 'Enter', bubbles: true, cancelable: true }));
+    const cancelFocusedEnter = await settle(cancelPromise);
+    document.getElementById('appAlertCancelBtn').click();
+    const cancelResult = await cancelPromise;
+    const realShowAppConfirm = showAppConfirm;
+    const removalCalls = [];
+    showAppConfirm = options => {
+      removalCalls.push({ title: options.title, defaultAction: options.defaultAction });
+      return Promise.resolve(false);
+    };
+    selectedRecentIds.clear();
+    selectedRecentIds.add(1);
+    sessionFilesData = [{ order: 1, link: 'https://example.invalid/a', filename: 'a.mp4', host: 'byse.sx' }];
+    await deleteSelectedRecentFiles();
+    await clearAllRecentFiles();
+    queueJobs = [{ id: 'dialog-remove', file: 'C:/dialog-remove.mp4', fileName: 'dialog-remove.mp4', hoster: 'byse.sx', status: 'queued' }];
+    selectedJobIds.clear();
+    selectedJobIds.add('dialog-remove');
+    rebuildJobIndex();
+    await handleContextAction('delete-selected');
+    await handleContextAction('delete-all');
+    showAppConfirm = realShowAppConfirm;
+    queueJobs = [];
+    selectedJobIds.clear();
+    selectedRecentIds.clear();
+    sessionFilesData = [];
+    rebuildJobIndex();
+    return { safeFocus, safeResult, removalFocus, removalEnterResult, cancelFocusedEnter, cancelResult, removalCalls };
+  })()`;
   const onlineBackupBehaviorScript = `(async () => {
     const ids = {
       a: 'AAAAAAAAAAAAAAAAAAAAAA',
@@ -344,6 +390,7 @@ app.whenReady().then(async () => {
   const middleY = Math.floor(size.height / 2);
   await window.loadFile(process.env.MHU_RENDERER_PATH, { query: { language: 'en', version: '2.1.31' } });
   const liveSpeedChart = await window.webContents.executeJavaScript('({ baselinePresent: Boolean(document.querySelector(".upload-speed-baseline")), canvasWidth: document.getElementById("uploadSpeedCanvas")?.getBoundingClientRect().width || 0 })');
+  const appDialogBehavior = await window.webContents.executeJavaScript(${JSON.stringify(appDialogBehaviorScript)});
   const onlineBackupBehavior = await window.webContents.executeJavaScript(${JSON.stringify(onlineBackupBehaviorScript)});
   const onlineBackupLayout = await window.webContents.executeJavaScript(${JSON.stringify(onlineBackupLayoutScript)});
   window.setContentSize(760, Math.min(900, display.workAreaSize.height));
@@ -360,6 +407,7 @@ app.whenReady().then(async () => {
     leftEdge: pixelAt(bitmap, size.width, 0, middleY),
     rightEdge: pixelAt(bitmap, size.width, size.width - 1, middleY),
     liveSpeedChart,
+    appDialogBehavior,
     onlineBackupBehavior,
     onlineBackupLayout,
     onlineBackupNarrowLayout
@@ -402,6 +450,20 @@ app.whenReady().then(async () => {
     assert.ok(result.rightEdge[0] > result.rightEdge[1] && result.rightEdge[2] > result.rightEdge[1]);
     assert.ok(result.liveSpeedChart.canvasWidth > 0);
     assert.equal(result.liveSpeedChart.baselinePresent, false);
+    assert.deepEqual(result.appDialogBehavior, {
+      safeFocus: 'appAlertCancelBtn',
+      safeResult: false,
+      removalFocus: 'appAlertConfirmBtn',
+      removalEnterResult: true,
+      cancelFocusedEnter: 'pending',
+      cancelResult: false,
+      removalCalls: [
+        { title: 'Ausgewählte Einträge entfernen?', defaultAction: 'confirm' },
+        { title: 'Alle Links entfernen?', defaultAction: 'confirm' },
+        { title: 'Uploads entfernen?', defaultAction: 'confirm' },
+        { title: 'Alle Uploads entfernen?', defaultAction: 'confirm' }
+      ]
+    });
     assert.deepEqual(result.onlineBackupBehavior.initialKeys, ['MHU2-ZYXW…9876', 'MHU2-ABCD…1234']);
     assert.deepEqual(result.onlineBackupBehavior.initialWarning, {
       hidden: false,