AVG won't let Windows Defender work after uninstalling

Hello Thomas,

Let's check with it. Have you tried AVG Clear and remover tool to uninstall AVG?

Refer the below article to run those tools:
http://support.avg.com/SupportArticleView?urlname=How-to-troubleshoot-issues-after-upgrade-to-the-latest-AVG-antivirus-product  

If the issue persists, share the screenshot http://support.avg.com/SupportArticleView?urlname=Create-screenshot of error you received while trying to turn on Windows Defender.

I have tried everything to uninstall AVG ,but it still won't let Windows Defender run.  Please advise.

Hello Thomas,

Let's check with it. Have you tried AVG Clear and remover tool to uninstall AVG?

Refer the below article to run those tools:
http://support.avg.com/SupportArticleView?urlname=How-to-troubleshoot-issues-after-upgrade-to-the-latest-AVG-antivirus-product  

If the issue persists, share the screenshot http://support.avg.com/SupportArticleView?urlname=Create-screenshot of error you received while trying to turn on Windows Defender.

Tom, If applicable… For your info, just in case that you are unaware, you can post the screenshot here in your topic. Click on 'Answer' & then click on the 'Image' [mountain symbol] & follow the instructions. 
AVG Guru