diff --git a/apps/desktop/src/main.ts b/apps/desktop/src/main.ts
index 43f2065..838c96a 100644
--- a/apps/desktop/src/main.ts
+++ b/apps/desktop/src/main.ts
@@ -105,23 +105,23 @@ function setStatus(message: string) {
   }
 }
 
-const store = new Store(STORE_FILENAME)
-let storeLoaded = false
+let storeInstance: Store | null = null
 
-async function ensureStoreLoaded() {
-  if (!storeLoaded) {
+async function ensureStoreLoaded(): Promise<Store> {
+  if (!storeInstance) {
     try {
-      await store.load()
+      storeInstance = await Store.load(STORE_FILENAME)
     } catch (error) {
       console.error("[agent] Falha ao carregar store", error)
+      throw error
     }
-    storeLoaded = true
   }
+  return storeInstance
 }
 
 async function loadConfig(): Promise<AgentConfig | null> {
   try {
-    await ensureStoreLoaded()
+    const store = await ensureStoreLoaded()
     const record = await store.get<AgentConfig>("config")
     if (!record) return null
     return record
@@ -132,13 +132,13 @@ async function loadConfig(): Promise<AgentConfig | null> {
 }
 
 async function saveConfig(config: AgentConfig) {
-  await ensureStoreLoaded()
+  const store = await ensureStoreLoaded()
   await store.set("config", config)
   await store.save()
 }
 
 async function clearConfig() {
-  await ensureStoreLoaded()
+  const store = await ensureStoreLoaded()
   await store.delete("config")
   await store.save()
 }