Can't install / uninstall as installation already running

Robert,
We’d like to understand more about this situation. Are you trying to install AVG Free Antivirus in your PC? If so, please share the screenshot of the error message to assist further.
I have tried the suggested fix but no success?

Robert, If applicable… For your info, just in case that you are unaware, you can post the screenshot here in your topic. Click on 'Answer' & then click on the 'Image' [mountain symbol] & follow the instructions. 
AVG Guru

Robert,
We’d like to understand more about this situation. Are you trying to install AVG Free Antivirus in your PC? If so, please share the screenshot of the error message to assist further.