AVG not working updating to windwos 10

Hello Jennifer,
We apologize for the inconvenience caused.
We understand how something like this will try your patience.
We understand that you are experiencing this issue with installing AVG Internet Security.
May I know the exact error message you have received along with the error code?
Have you tried AVG remover tool to uninstall and reinstall?
Thank you.

Hi, my computer has just been updated to WIndows 10 and now my AVG wont work. I have tried to re-install but it gets to nearly the end and then stops with an error.
I am not computer savvy so any help would appreciated.

Jennifer,
We apologize 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://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.
To reinstall please follow the article http://avgclick.me/InstallAV .
Please feel free to get back to us for further assistance.
Thank you.

Hi
I have not tried the uninstall then reinstall - not sure how to?

The screen says
Installation Failed
Sorry, we've experiened a problem during initialisation
Please try again, and if the issue persist, contact customer support for help
The error code is:  0xC0070643

Description:  Event exec_finished

Hello Jennifer,
We apologize for the inconvenience caused.
We understand how something like this will try your patience.
We understand that you are experiencing this issue with installing AVG Internet Security.
May I know the exact error message you have received along with the error code?
Have you tried AVG remover tool to uninstall and reinstall?
Thank you.