BlockScreenCapture and CoverBoxedWindows corrupting several programs

[EnfLzSp]

Describe what you noticed and did

Some applications have parts of their GUI corrupt when using "BlockScreenCapture" and "CoverBoxedWindows"

• Apply Sandboxie.ini parameters mentioned in appropriate section below
• View KeePass.exe options
• View madVR options

How often did you encounter it so far?

Every time

Expected behavior

No graphical corruption in any options

Affected program

KeePadd, madVR

Download link

https://sourceforge.net/projects/keepass/files/KeePass%202.x/2.57.1/KeePass-2.57.1.zip/download, https://www.videohelp.com/download/madVRhdrMeasure207.zip

Where is the program located?

The program is installed both inside and 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?

5.70

Is it a new installation of Sandboxie?

I recently did a new clean installation.

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?

Not relevant to my request.

What is your Windows edition and version?

Windows 24H2 26100.2152

In which Windows account you have this problem?

A local account (Administrator).

Please mention any installed security software

Not relevant

Did you previously enable some security policy settings outside Sandboxie?

No response

Trace log

No response

Sandboxie.ini configuration

CoverBoxedWindows=y
BlockScreenCaptur=y

[offhub]

BlockScreenCapture: This is an experimental feature that is known to potentially cause UI glitches.

CoverBoxedWindows: Please clarify what issues you’re experiencing with this feature.