Multi Rename window has boxes that flicker their data

[Forez]

These boxes

Multi Rename > Settings > Pattern > File name:
Multi Rename > Settings > Pattern > File extension:
Multi Rename > Settings > Search and replace > Search name:
Multi Rename > Settings > Search and replace > Replace with:
Multi Rename > Settings > Include only files of this type:
Multi Rename > Settings > Timestap format

flicker data written in them whenever user makes any hovering move over them. This does not happen however for

Multi Rename > Settings > Counter > Start at:
Multi Rename > Settings > Counter > Step by:
Multi Rename > Settings > Counter > Digits:


This is happening in Build 891 64-bit Donor Portable and Build 880 32-bit Public Installed on Windows 10 Enterprise 20H2 x64