I have installed this software that I got from Computer Magazine (italian magazine). For me, I don't like so much the designs and I found not so easy to "rearrange" manually. So, I wanted to uninstall. But,... it does not want!!!
I used some uninstaller program such as CCleaner and also PCBeginner.
All come to the same result..... it is still there.
So, if you are not sure would like it... better not install it. I searched in the internet, and seems it is a "common problem" since the earlier version of Serif WebPlus.