Steps to reproduce:

1. Launch recent Alpha based on Python 3.8
2. Open run dialog with Windows + R, type %temp% press enter and attempt to navigate in the newly opened folder.

Actual behavior:

Windows error sound plays and NVDA crashes and restarts. If the folder view is still focused after restart NVDA crashes again.

Expected behavior:

Windows Explorer should be navigable with NVDA

System configuration

NVDA installed/portable/running from source:

Tested with both portable and installed

NVDA version:

alpha-21882,528d5708

Windows version:

Windows Server 2012.

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

Windows Explorer

Other information about your system:

None relevant.

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.

2020.4 works okay, latest Python 3.7 based Alpha works okay.

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

Yes

Did you try to run the COM registry fixing tool in NVDA menu / tools?

Yes with no effect.

The attached zip file contains log at debug level and NVDA crash dump file.
crash.zip