Installing my recently purchased AVG Tune up

Hello Ann. I a sorry for the inconvenience cased. You might have installed the trial version of the AVG PC TuneUp program and that's the reason you have been asked to uninstall the program. Please use the license number to activate the trial version of the AVG PC TuneUp. Please have a look at this article http://bit.ly/1yvit6x to activate the trial version of the AVG PC Tuneup program. Thank you.

Hello Ann. I a sorry for the inconvenience cased. You might have installed the trial version of the AVG PC TuneUp program and that's the reason you have been asked to uninstall the program. Please use the license number to activate the trial version of the AVG PC TuneUp. Please have a look at this article http://bit.ly/1yvit6x to activate the trial version of the AVG PC Tuneup program. Thank you.

I have been trying to install the AVG tune up that I have just purchased I have tried everything i can find in instructions and support. I have downloaded it 3 times and each time when it has finished its 10 minutes it brings up a box that says do you want to uninstall the AVG tuneup and I say no and then nothing else happens. When I try clicking the tune up icon on my screen it just tells me to buy the product which I have just done…!  I have received my invoice and order and activation numbers but I CANNOT install it.