Hello Becky,
We're sorry for the inconvenience this has caused you.
Firstly, specify the name of the AVG program you updated.
If it's the AVG Internet Security, let's temporarily disable the individual shields of your AVG Internet Security & narrow down the component that's causing this issue.
Refer to this article to temporarily disable the individual shields of your AVG Internet Security.
Keep us updated.
Since I updated AVG, sites like Airbnb and Costco will not load. It states in the error that this server will not allow these sites. I use both of these sites a lot. Please HELP
Hello Becky,
We're sorry for the inconvenience this has caused you.
Firstly, specify the name of the AVG program you updated.
If it's the AVG Internet Security, let's temporarily disable the individual shields of your AVG Internet Security & narrow down the component that's causing this issue.
Refer to this article to temporarily disable the individual shields of your AVG Internet Security.
Keep us updated.