Steps to reproduce:

Make a simple addon and in installtasks.py, in method onInstall try to show some informational message.
install it from addon store as you install an addon from available addons tab, not with install external button

Actual behavior:

When pressing close button, dialog is shown but shortly is overlapped with NVDA's restart dialog

Expected behavior:

Dialog should stay alive untill it is closed.

NVDA logs, crash dumps and other attachments:

System configuration

NVDA installed/portable/running from source:

Installed

NVDA version:

Version: alpha-29601,f1c73d1d (2024.1.0.29601)

Windows version:

Windows 10 22H2 (AMD64) build 19045.3448

Name and version of other software in use when reproducing the issue:

Other information about your system:

Other questions

Does the issue still occur after restarting your computer?

Yes

Have you tried any other versions of NVDA? If so, please report their behaviors.

All versions which include addon store

If NVDA add-ons are disabled, is your problem still occurring?

Does the issue still occur after you run the COM Registration Fixing Tool in NVDA's tools menu?