### Steps to reproduce the issue * Install ThunderbirdPlus * Execute NVDA installer, e.g. [nvda_2023.1.exe](https://www.nvaccess.org/download/nvda/releases/2023.1/nvda_2023.1.exe). ### Actual behaviour The webpage [Thunderbird+ : Notifications](https://www.rptools.org/NVDA-Thunderbird/notifications.html) opens above the launcher dialog ### Expected behaviour No webpage should open when executing NVDA installer. ### Version Thunderbird+ 4.6.2