I downloaded the Linux x64 installer for Qt Creator from the Qt Project website and attempted to install it by running the executable as a normal user.

I was having difficulty running the installer as a normal user, so I ran the installer with 'sudo'. This worked fine and installed the application to /opt as expected. At the end of the installer, I was presented with an option to run Qt Creator.

After a couple of hours, I realized that Qt Creator was actually running as root! Apparently the installer simply launched the application under the same user account.

I'm guessing that it would be difficult to actually have the installer determine what user account to run the application under. I think the best solution would be for the installer to display a warning if it detects that it is being run as root letting the user know that they should instead quit the installer and launch the command as a normal user.