Hi everyone, I have the latest build installed on my Ubuntu 15.10. In another thread I read that an older version (I think 5.2) is a bit more stable than the current build. I tried to just install the *.deb for 5.2 but the I got an error message telling me that a more current version is already installed. Apart from this I generally like to know how to remove things from my system to save up resources in case I am not using them any longer. So my question is: How do I uninstall a version of Unity from my Ubuntu 15.10 system so that I can install an older version? I tried to locate it with the Ubuntu Software Center and also with dpkg but it does not seem to be listet there.