Cannot install avg free antivirus/protection

Hi Debora,
In order to analyze it please provide us with diagnostic output (gather it right after inducing issue) using this tool and please add detailed description of issue.
Thanks

the avg antivirus download set-up pop-ups says…{.warning…another installer is already running. Please close it and try again.} nothing is running or downloading…
it will not uninstall out of documents…avg 2015 will not download or run…
How do i close it? How do I reinstall, install or how do I get to get theavg prtection? 
                                                                  Mcexpression

Hi Debora,
In order to analyze it please provide us with diagnostic output (gather it right after inducing issue) using this tool and please add detailed description of issue.
Thanks