Sketchup Pro 2021 Start Issue

When I start Sketchup Pro 2021 (latest version) Windows 10. I always get two items displaying in my taskbar. I am only starting Sketchup once. Does anyone know what causes this?

Do you have a render extension installed, they tend to show a second tab. Annoying I know.

Thanks Box
Yes I have Twilight V2.
Oh well at least I know.