Open File Manager And: Complete Midiag.apk Installation. Then Try Again

To resolve the installation issue, follow these steps to manually trigger the package installer:

Solution A: Clear the Original App’s Cache

The original app may still think the APK is missing. To resolve the installation issue, follow these steps

This error can be frustrating because it often loops or appears without a clear way to resolve it. You might click "OK," look through your files, and find... nothing. Go to Settings → Apps → Manage apps

Fix A: Clear Cache of Package Installer

  1. Go to SettingsAppsManage apps.
  2. Tap the three-dot menu → Show system services.
  3. Search for Package Installer or Google Package Installer.
  4. Tap Clear cache and Clear data.
  5. Reboot your phone and try again.

Origin: It is an official Xiaomi system component, though often manually sideloaded for repair purposes. Why You See This Error Origin : It is an official Xiaomi system

Now, go back to the original app or website you were using—it should work perfectly!

What If the Error Persists?

If you still see the message after following the steps above, try these advanced solutions: