AVG Repair Failed

Hello Tim,
We regret for the inconvenience caused. Please check whether you have installed any other conflicting applications like McAfee, Avast, Norton etc… on your PC, If so please uninstall the conflicting applications.
If not, 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.
4. Once uninstalled download the installation file using the link : http://www.avg.com/download to reinstall your AVG program.
Please feel free to get back to us for further assistance.
Thank you.

I'm getting error code 0xc0070643 when trying to reinstall avg free. Got back from holiday and avg couldnt load and was asking me to re-enter my product seriel number. Tried to uninstall and that failed too. My pc is on windows 10

Hello Tim,
We regret for the inconvenience caused. Please check whether you have installed any other conflicting applications like McAfee, Avast, Norton etc… on your PC, If so please uninstall the conflicting applications.
If not, 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.
4. Once uninstalled download the installation file using the link : http://www.avg.com/download to reinstall your AVG program.
Please feel free to get back to us for further assistance.
Thank you.

Have checked my mobile and tablet no e-mail received as yet ?

After purchasing AVG pro after a months free Mcfee i reconfigured the computer last night to its orginal settings as it seemed slow. Since trying to reload avg pro i have come up with the same error code as above and followed the process above but without success. Please advise.