diff --git a/apps/tauri/src/App.svelte b/apps/tauri/src/App.svelte
index 80d38ec..9154f58 100644
--- a/apps/tauri/src/App.svelte
+++ b/apps/tauri/src/App.svelte
@@ -29,7 +29,25 @@
         </div>
       {/if}
 
-      {#if app.screen === "setup"}
+      {#if app.screen === "missing"}
+        <div class="flex h-full items-center justify-center p-6">
+          <div class="w-full max-w-sm rounded-2xl bg-card-light p-8 shadow-lg dark:bg-card-dark">
+            <h1 class="mb-1 text-2xl font-bold">Workspace Not Found</h1>
+            <p class="mb-2 text-sm text-text-secondary-light dark:text-text-secondary-dark">
+              The workspace <strong>{app.missingWorkspace}</strong> could not be opened. Its folder may have been moved or deleted.
+            </p>
+            <p class="mb-6 text-sm text-text-secondary-light dark:text-text-secondary-dark">
+              It will be removed from your workspace list. You can re-add it if the folder becomes available again.
+            </p>
+            <button
+              onclick={() => app.forgetMissingWorkspace()}
+              class="w-full rounded-lg bg-primary py-2.5 text-sm font-medium text-white hover:bg-primary-hover"
+            >
+              Continue
+            </button>
+          </div>
+        </div>
+      {:else if app.screen === "setup"}
         <SetupScreen cancellable={app.hasWorkspace} />
       {:else}
         <TasksScreen />
diff --git a/apps/tauri/src/lib/stores/app.svelte.ts b/apps/tauri/src/lib/stores/app.svelte.ts
index e6250c2..c69d472 100644
--- a/apps/tauri/src/lib/stores/app.svelte.ts
+++ b/apps/tauri/src/lib/stores/app.svelte.ts
@@ -25,6 +25,7 @@ let syncing = $state(false);
 let syncMode = $state<"full" | "push" | "pull">("full");
 let lastSyncResult = $state<SyncResult | null>(null);
 let error = $state<string | null>(null);
+let missingWorkspace = $state<string | null>(null);
 
 // ── Derived ──────────────────────────────────────────────────────────
 
@@ -70,8 +71,18 @@ async function loadConfig() {
   try {
     config = await invoke<AppConfig>("get_config");
     if (hasWorkspace) {
+      // Try loading lists — if the workspace path is gone, get_lists will fail
+      lists = [];
+      try {
+        lists = await invoke<TaskList[]>("get_lists");
+      } catch {
+        missingWorkspace = config!.current_workspace;
+        screen = "missing";
+        return;
+      }
+      if (lists.length > 0 && !activeListId) activeListId = lists[0].id;
+      if (activeListId) await loadTasks();
       screen = "tasks";
-      await loadLists();
     } else {
       screen = "setup";
     }
@@ -343,6 +354,26 @@ async function addWebdavWorkspace(name: string, webdavUrl: string, webdavPath: s
   }
 }
 
+async function forgetMissingWorkspace() {
+  if (!missingWorkspace) return;
+  await removeWorkspace(missingWorkspace);
+  missingWorkspace = null;
+  config = await invoke<AppConfig>("get_config");
+  if (hasWorkspace) {
+    // Switch to the next available workspace
+    const nextName = Object.keys(config!.workspaces)[0];
+    if (nextName) {
+      await switchWorkspace(nextName);
+      screen = "tasks";
+      return;
+    }
+  }
+  screen = "setup";
+  lists = [];
+  tasks = [];
+  activeListId = null;
+}
+
 function setScreen(s: Screen) {
   screen = s;
 }
@@ -399,6 +430,9 @@ export const app = {
   get hasWorkspace() {
     return hasWorkspace;
   },
+  get missingWorkspace() {
+    return missingWorkspace;
+  },
   getSubtasks,
   loadConfig,
   addWorkspace,
@@ -422,6 +456,7 @@ export const app = {
   setSyncMode,
   setTheme,
   addWebdavWorkspace,
+  forgetMissingWorkspace,
   setScreen,
   clearError,
 };
diff --git a/apps/tauri/src/lib/types.ts b/apps/tauri/src/lib/types.ts
index f8d0433..0bb1cab 100644
--- a/apps/tauri/src/lib/types.ts
+++ b/apps/tauri/src/lib/types.ts
@@ -44,4 +44,4 @@ export interface SyncResult {
   errors: string[];
 }
 
-export type Screen = "setup" | "tasks" | "settings";
+export type Screen = "setup" | "tasks" | "settings" | "missing";