Loading second computer with zen error reading....OxC0070643

Hello Dougy,
We are sorry for the difficulties you are currently experiencing.
Could you please let us know whether you have installed any other AVG product or any other 3rd party antivirus product in your pc before? so that we can assist you better in fixing it.
Please feel free to contact us for any further assistance. Thank you.

I have been re-entering zen and each time get up to 98% then Error OxC0070643, I have checked again for any other security seems ok.regards jim

Hello Dougy,
We are sorry for the difficulties you are currently experiencing.
Could you please let us know whether you have installed any other AVG product or any other 3rd party antivirus product in your pc before? so that we can assist you better in fixing it.
Please feel free to contact us for any further assistance. Thank you.