Why is pixel.mathtag.com not detected?

AVG Protection
4

Hello Paul,
We regret the inconvenience caused.
Could you please send the screenshot of your popup messages so that we can assist further? Please click on the following link http://support.avg.com/SupportArticleView?urlname=How-to-create-a-screenshot  to send the screen shot.
Thank you.

1

pixel.mathtag.com malware comes in outlook and blocks it are makes it verry slow.

2

Paul, 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

3

Hello Paul,
We regret the inconvenience caused.
Could you please send the screenshot of your popup messages so that we can assist further? Please click on the following link http://support.avg.com/SupportArticleView?urlname=How-to-create-a-screenshot  to send the screen shot.
Thank you.