A square black border around start button

[musician84]

Describe the bug

A square black border is appearing around the Windows 11 start button upon windows start-up. It goes after a while.. I'm not writing this as an issue. But wish to know why this occurs and make Open Shell an excellent option for windows start menu. please find attached image

Area of issue

Start menu

To reproduce

Immediately after Windows Start-up

Expected behavior

Without any black border

Open-Shell version

4.4.196

Windows version

Windows 11 24H2

Additional context

No response