diff --git a/electron/main/index.ts b/electron/main/index.ts
index 653e747..7938ffe 100644
--- a/electron/main/index.ts
+++ b/electron/main/index.ts
@@ -83,11 +83,15 @@ app.whenReady().then(async () => {
   })
 })
 
-app.on('window-all-closed', async () => {
-  await pythonBridge?.stop()
+app.on('window-all-closed', () => {
   if (process.platform !== 'darwin') app.quit()
 })
 
-app.on('before-quit', async () => {
-  await pythonBridge?.stop()
+app.on('before-quit', (event) => {
+  if (!pythonBridge) return
+  event.preventDefault()
+  pythonBridge.stop().finally(() => {
+    pythonBridge = null
+    app.quit()
+  })
 })
diff --git a/package.json b/package.json
index 7bc3bea..d27363f 100644
--- a/package.json
+++ b/package.json
@@ -70,7 +70,8 @@
     },
     "nsis": {
       "oneClick": false,
-      "allowToChangeInstallationDirectory": true
+      "allowToChangeInstallationDirectory": true,
+      "disableWebInstaller": true
     },
     "win": {
       "target": "nsis",