Why I cannot drag and drop activities?

[P_Botrel (Pamkaj Botrel)]

I created a bug report on the forum in hope of a quick solution, given that I need to work with UiPath very very soon.

Reinstalling UIPath Studio, "Cannot acquire a licence", or remove "Unresponsive Floating Robot"

After some issues with UIPathStudio 2020 20.6b, I uninstalled and reinstalled it redownloading the .exe, which was version 2020 20.8b. In case it’s relevant, my 20.6b run into some uninstall issues. It deleted everything from \local\UIPath, except the UIPath Firefox extension, because it was in use. I deleted it manually after stopping firefox. I also deleted the .nuget UIpath packages and the \local\UIPath folder and then executed UIPathStudio 2020 20.8b. But given the error message, it seems …