Installation stucks at 75%

Hello Guys My AVG free Antivirus Stucks at Installing 75%.Can someone help me how to fix this?

Hello Ian,
We regret the inconvenience caused. We would like to remove AVG Protection  from your system using AVG Remover tool and then try to reinstall AVG Free version…
Note: If you have installed any other conflicting programs like AVAST,NORTON or KASPERSKY means please try to uninstall it.
Once you have uninstalled from your system,try to follow the simple steps which mentioned below.
Remover and Download
1) To download AVG remover tool, please click on this link:  http://aa-download.avg.com/filedir/util/AVG_Remover.exe
2) Run the downloaded file and follow the onscreen instructions.
3) Restart your PC when the restart option is displayed on the remover tool screen.
NOTE: Once you have logged into your PC after the restart, please go to C:\ drive and delete the "AVG REMOVER" folder manually.
To download the AVG , please click on this link: http://www.avg.com/us-en/avg-antivirus-free .
Please feel free to contact us if you need any assistance.
Thank you.