ashampoo[.]com/en/usd/pin/5906/system-software/Ashampoo-Taskbar-Customizer
It's just a small app with little impact on Windows that lets you set the color & transparency of the Taskbar. Ashampoo is probably using it as a way to increase their mailing list. Ignore the readme file saying it works on other versions of Windows -- it's Win10 only.
