Steps to reproduce:

1. Download the latest alpha build, at this time alpha-52562,3d74061b.
2. Attempt to create a portable copy.

Actual behavior:

The following error is shown:
ERROR - gui.installerGui.doCreatePortable (04:22:59.761) - MainThread (7256):
Failed to create portable copy
Traceback (most recent call last):
File "gui\installerGui.pyc", line 638, in doCreatePortable
File "systemUtils.pyc", line 237, in init
ctypes.ArgumentError: argument 2: TypeError: expected LP_c_void_p instance instead of pointer to c_long

Expected behavior:

The portable copy is created.

NVDA logs, crash dumps and other attachments:

nvda-old.log

System configuration

NVDA installed/portable/running from source:

N/A

NVDA version:

alpha-52562,3d74061b (2026.1.0.52562)

Windows version:

Windows 11 24H2 (AMD64) build 26100.6584

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

N/A

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.

Works with stable

If NVDA 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