Steps to reproduce:

1. Start Notepad++ 8.3 (downloadable here), you should have a blank document.
2. Write some text (just one character is enough).

Alternatively, with an installed version you can just open a file from explorer.

Actual behavior:

Notepad++ crashes (the app closes), NVDA fails to retrieve file content.

Expected behavior:

No crash, access to file content.

System configuration

NVDA installed/portable/running from source:

Installed

NVDA version:

alpha-24583,61000de2

Windows version:

10 21H2

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

Notepad++ 8.3 (installed and portable versions)

Other information about your system:

N/A

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.

No. But no problem with Notepad++ 8.2.1 and earlier.

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

Yes

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

Yes