AVG Internet Securiy fails registration number

Thanks for the help all back working I also had an email issue connected with these problems all good now.
Appreciate the support forum.

Thank you.

Hello Peter,
We regret for the inconvenience caused.
We would request you to run AVG remover tool to completely remove AVG and then re install it.  
Please  click this link http://aa-download.avg.com/filedir/util/AVG_Remover.exe to download and run the AVG Remover tool.
1. Please select the AVG products which are shown in the remover tool window and then start removal process.
2. After the remover tool process is successfully finished, restart your computer.
3. After the restart,  manually delete the AVG Remover folder in the C drive of My computer.

Software fails on booting computer. Errors registration number unknown correct details are entered and ticked as correct but fails to activate.
Tried repair option  fails, uninstall reinstall fails all .
AVG Internet Security on 2 other system no issues. Have been a user for 6 years never had a problem before.
Appreciated any assistance

Thanks for the help all back working I also had an email issue connected with these problems all good now.
Appreciate the support forum.

Thank you.

Hello Peter,
Pleased to see that you appear to be now sorted. Thanks for returning to the Community & posting.
Hello Peter,
We regret for the inconvenience caused.
We would request you to run AVG remover tool to completely remove AVG and then re install it.  
Please  click this link http://aa-download.avg.com/filedir/util/AVG_Remover.exe to download and run the AVG Remover tool.
1. Please select the AVG products which are shown in the remover tool window and then start removal process.
2. After the remover tool process is successfully finished, restart your computer.
3. After the restart,  manually delete the AVG Remover folder in the C drive of My computer.
  1. Once uninstalled download the installation file using the link : http://www.avg.com/download to reinstall your AVG program.
    5. Run the downloaded file to start the installation process.
    6. Follow the instructions on your screen.  
    7. Complete the installation and restart your computer.
    Please feel free to get back to us for further assistance.
    Thank you.