diff --git a/manifest.json b/manifest.json
index 3b87983..0305a33 100644
--- a/manifest.json
+++ b/manifest.json
@@ -8,6 +8,7 @@
     "storage",
     "tabs",
     "menus",
+    "notifications",
     "<all_urls>"
   ],
   "icons": {
diff --git a/src/background.js b/src/background.js
index bb6f0db..1400c77 100644
--- a/src/background.js
+++ b/src/background.js
@@ -56,6 +56,12 @@ browser.menus.onClicked.addListener(async (info, tab) => {
     }
   } catch (error) {
     console.error("Anytype clip failed", error);
+    browser.notifications.create({
+      type: "basic",
+      iconUrl: browser.runtime.getURL("src/assets/icon.svg"),
+      title: "AnyClip – Fehler",
+      message: formatErrorMessage(error)
+    });
   }
 });
 
@@ -263,6 +269,20 @@ function truncate(value, maxLength) {
   return value.length > maxLength ? `${value.slice(0, maxLength - 1)}...` : value;
 }
 
+function formatErrorMessage(error) {
+  if (error instanceof TypeError) {
+    return "Anytype ist nicht erreichbar. Bitte prüfen: Ist Anytype Desktop gestartet? Stimmt die API-URL (Standard: http://localhost:31009)?";
+  }
+
+  const msg = error?.message || "";
+
+  if (msg.includes("(401)")) {
+    return "Zugriff verweigert. Bitte den API-Key im Addon-Popup prüfen.";
+  }
+
+  return msg || "Unbekannter Fehler";
+}
+
 function escapeMarkdownInline(value) {
   return String(value || "").replace(/([\\`*_{}[\]()#+\-.!])/g, "\\$1");
 }
diff --git a/src/popup/popup.html b/src/popup/popup.html
index 264e045..6c5577e 100644
--- a/src/popup/popup.html
+++ b/src/popup/popup.html
@@ -39,7 +39,7 @@
 
     <div class="actions">
       <button id="savePage" type="button">Ganze Seite sichern</button>
-      <button id="saveSelection" type="button" class="ghost">Auswahl sichern</button>
+      <button id="saveSelection" type="button" class="ghost">Einstellungen sichern</button>
     </div>
 
     <p id="status" class="status"></p>
diff --git a/src/popup/popup.js b/src/popup/popup.js
index de02fe1..d5f8d16 100644
--- a/src/popup/popup.js
+++ b/src/popup/popup.js
@@ -9,7 +9,7 @@ const status = document.getElementById("status");
 
 document.getElementById("refreshSpaces").addEventListener("click", refreshSpaces);
 document.getElementById("savePage").addEventListener("click", () => saveClip("full"));
-document.getElementById("saveSelection").addEventListener("click", () => saveClip("selection"));
+document.getElementById("saveSelection").addEventListener("click", saveSettingsOnly);
 
 bootstrap().catch(showError);
 
@@ -25,9 +25,20 @@ function populateForm(settings) {
   form.objectType.value = settings.objectType || "page";
 }
 
+async function saveSettingsOnly() {
+  await persistForm();
+  setStatus("Einstellungen gespeichert.");
+}
+
 async function refreshSpaces(selectedSpaceId = form.spaceId.value) {
   setStatus("Lade Spaces ...");
-  await persistForm();
+  await browser.runtime.sendMessage({
+    type: "save-settings",
+    payload: {
+      apiBase: form.apiBase.value.trim(),
+      apiKey: form.apiKey.value.trim()
+    }
+  });
 
   try {
     const response = await browser.runtime.sendMessage({ type: "list-spaces" });
@@ -101,7 +112,21 @@ function readForm() {
 }
 
 function showError(error) {
-  setStatus(error?.message || String(error));
+  setStatus(formatErrorMessage(error));
+}
+
+function formatErrorMessage(error) {
+  if (error instanceof TypeError) {
+    return "Anytype ist nicht erreichbar. Ist Anytype Desktop gestartet? Stimmt die API-URL?";
+  }
+
+  const msg = error?.message || "";
+
+  if (msg.includes("(401)")) {
+    return "Zugriff verweigert. Bitte den API-Key prüfen.";
+  }
+
+  return msg || String(error);
 }
 
 function setStatus(message) {