install of 5.11 hanging

I attempted to install v5.11

I get no further than shown in image below...

ccleanerv5-11.png

What is causing the issue and how do i get it to install?

Make sure your old version of ccleaner isn't running

and if still no luck, you might be in the rare group that needs the current version uninstalled first, and the PC rebooted, before the new one installs.