After install of Sandboxie v1.15.4, Brave browser loads Very Slow

[CaliSunUSA]

Describe what you noticed and did

After install of Sandboxie v1.15.4, Brave browser loads Very Slow.

This morning I was running v1.15.3 and browser seemed fine.
But as soon as I upgraded to v1.15.4, Brave loads very Slow.
Granted I do have several tabs open, but these are same tabs that were open under (v.3) and it opened fine.

How often did you encounter it so far?

this morning

Expected behavior

Open normally

Affected program

Brave Version 1.73.104 Chromium: 131.0.6778.204 (Official Build) (64-bit)

Download link

https://brave.com/download/

Where is the program located?

The program is installed only outside the sandbox.

Did the program or any related process close unexpectedly?

No, not at all.

Crash dump

No response

What version of Sandboxie are you running now?

Sandboxie Plus v1.15.4 (64 Bit)

Is it a new installation of Sandboxie?

I just updated Sandboxie from a previous version (I remember which one it is).

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?

My sandbox contains existing programs or data.

What is your Windows edition and version?

Windows 10 Pro 22H2 (64-bit)

In which Windows account you have this problem?

A local account (Standard user).

Please mention any installed security software

Avast

Did you previously enable some security policy settings outside Sandboxie?

No response

Trace log

No response

Sandboxie.ini configuration

No response