[Plus 1.6.5] Cleanup button in Sandman has stopped working after clicking a second time

[RandomGOTI]

Describe what you noticed and did

Start Sandman
Click on the Cleanup button
wait ~5s
Click again

How often did you encounter it so far?

everytime

Affected program

sandman.exe

Download link

.

Where is the program located?

Not relevant to my request.

Expected behavior

No issues ┐(ﾟ～ﾟ)┌

What is your Windows edition and version?

Windows 7 Ultimate SP1 x64

In which Windows account you have this problem?

I use the built-in Administrator account.

Please mention any installed security software

None/WD disabled

What version of Sandboxie are you running?

Sandboxie-Plus Version: 1.6.5 (5.61.5) 64

Is it a new installation of Sandboxie?

I just updated Sandboxie from a previous version (to be specified).

Is it a regression?

No response

In which sandbox type you have this problem?

Not relevant to my request.

Can you reproduce this problem on a new empty sandbox?

Not relevant to my request.

Did you previously enable some security policy settings outside Sandboxie?

No response

Crash dump

No response

Trace log

No response

Sandboxie.ini configuration

No response

[offhub]

I can confirm this issue as well with Cleanup or Cleanup Trace Log.