AVG Update does not install!

Update Installation failed.

Original files may of have been modified.

They are the messgaes I get.

You are most welcome, Michael. Pleased to see that you appear to be now sorted. Thanks for returning to the Community & posting.

Hello Michael.
Thank you for the information. We would request you to run Tuneup remover tool ( http://www.avg.com/filedir/util/TuneUp_Remover.exe ) to completely uninstall AVG PC Tuneup and install AVG PC Tuneup 2016 version. In the latest version, the updates will automatically be downloaded and installed. To download AVG PC Tuneup 2016, please click on this link http://files-download.avg.com/inst/mp/AVG_PCTuneUp_765.exe . Please, feel free to let us know if you require any further assistance. Thank you.

Hello Michael.
We are sorry to hear about the inconvenience caused. Could you please let us know which AVG product are you trying to update?