Sandboxed RDP login dialog prompt an error when logging

[0x391F]

Describe what you noticed and did

1. Run mstsc.exe in sandbox
2. Connect to remote computer
3. Error 0x800706be

How often did you encounter it so far?

No response

Expected behavior

This bug shouldn't appear.

Affected program

mstsc.exe

Download link

N/A

Where is the program located?

The program is installed only outside the sandbox.

Did the program or any related process close unexpectedly?

Yes, it did, but no .dmp file has been created in the system.

Crash dump

No response

What version of Sandboxie are you running now?

Sandboxie-Plus 1.13.6 x64

Is it a new installation of Sandboxie?

I just updated Sandboxie from a previous version (I don't remember which one).

Is it a regression from previous versions?

No response

In which sandbox type you have this problem?

In a standard isolation sandbox (yellow sandbox icon).

Can you reproduce this problem on a new empty sandbox?

I can confirm it also on a new empty sandbox.

What is your Windows edition and version?

Windows 10 Exterprise LTSC 2021 x64 (21H2) 10.0.19044.4291

In which Windows account you have this problem?

An account with UAC protection set to Always notify.

Please mention any installed security software

ESET Internet Security 17.1.19.0

Did you previously enable some security policy settings outside Sandboxie?

No response

Trace log

No response

Sandboxie.ini configuration

No response

[0x391F]