You see this error message from Trend Micro Password Manager after opening your computer:

Failed to load extension. Manifest file is missing or unreadable.

Why did this happen?

The Password Manager app may be malfunctioning due to the following:

  • Faulty computer shutdown or restart
  • Failed app installation

What should I do next?

To resolve this issue, we recommend you disable the Restart apps setting on your Windows PC.

Disable Restart apps in the Sign-in options

  1. Click the Start , then go to Settings > Accounts > Sign-in options. You can also access it via the shortcut button below:

    Sign-in options

  2. Scroll down until you see Restart apps.
  3. Toggle the switch to Off.

  4. Restart your computer. If the issue persists, proceed to reinstall your Trend Micro Password Manager.

Reinstall the app

  1. Uninstall Password Manager.
    1. Click the Start, then go to Settings > Apps > Apps & Features. You can also access it via the shortcut button below:

      Windows Apps & Features

    2. Select Trend Micro Password Manager, then click Uninstall.
    3. Wait for the program to be uninstalled, then restart your computer when asked.
  2. Install Password Manager.
    1. Click the download button below:

      Download Password Manager

    2. Double-click the downloaded file to run the installer. If the User Account Control window appears, click Yes.
    3. Follow the on-screen instructions.
    4. Fill out the account information to activate your protection.

If the issue persists, start a chat to let our Trend Micro Support Representatives assist you.

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