Post update scan

Hello Jim. Please have a look on this article http://avgread.me/1KBqgGO to resolve this issue . Please feel free to contact us for any further assistance. Thank you.

What is what is post update memory scan? Why does it run about every 1/2 hour or so? What can I do to change it?
Windows XP Pro, AVG antivirus 2015

Hello Jim. Please have a look on this article http://avgread.me/1KBqgGO to resolve this issue . Please feel free to contact us for any further assistance. Thank you.