"Only the person who installed the software can access the Trend Micro Vault" appears when opening your Trend Micro Vault

To retrieve your files, do the following:

1. On your keyboard, press the Windows  + E keys. The File Explorer window should appear.
2. Go to the C:\Users\old account\AppData\Local\Trend Micro\ directory.
3. Copy the Vault folder and place it to a different location.
4. Reinstall your Trend Micro program.

   For instructions, refer to this Knowledge Base article: Reinstalling the latest version of Trend Micro Security program using the Reinstall Tool.

5. Activate your Trend Micro Vault.

   For instructions, refer to this Knowledge Base article: Using the Trend Micro Vault feature of your Trend Micro Security software.

6. Right-click the Trend Micro icon in the system tray (near the clock at the bottom right part of the screen).
7. Click Exit.
8. Copy the Vault folder to C:\Users\new account\AppData\Local\Trend Micro\Vault.
9. Right-click the Trend Micro icon in the system tray (near the clock at the bottom right part of the screen).
10. Click Protection Against Viruses & Spyware.
11. Open your Trend Micro Vault.

    Your files should now be visible inside Trend Micro Vault under your new account.