First, I am sorry to hear you are having issues.
Second I want to remind you that the Community Assistants are here to help. Basj asked perfectly legit questions. Responses like this to them will not be tolerated:
You are asking too many questions.
Try to not delay this anymore and just tell me if you know the solution or not or go an learn more about how to support it.
Any more like them will result in a forum ban.
From your subsequent answers:
I know that the Windows 10 that I am using is not the recommend version
Why..? What version exactly?
And the entirety of:
As for conflicts. I did install some patches (including UX theme patcher) to use 3rd party themes before I found WB. On Windows 10 I removed them because the 3rd party themes caused major issues with the taskbar and then I just stayed with WB by itself.
On Windows 8.1 I have UX-styles installed and some edited registry files to use 3rd party themes which I am not using anymore.
I want it to be clear that there were no issues at all before installing WB with the maximizing of the Window.
I did found a work around that seems to be helping on Windows 10 but it is not working the same on Windows 8.1. It is a program called MAXMAX. It creates a limit to where windows expand to. But it is not perfect as it leaves a small gap. On Win 10 it is at the top and on Win 8.1 it is at the bottom above the taskbar.
Neil's questions (the lead developer of WB) were also germane.
If you would like to proceed, this is how it will go:
I would also like you to PM me the account you have purchased WindowBlinds under as you do not have any purchases under the account you are posting with.
Again, we want to help, and if you can showcase a legit issue with WindowBlinds 10.84, we would thank you for working with us to fix it.
Stardock Support Manager