Alert received on my MacBook

Hi Lillian,

We will help you to sort out the issue.

Could you mention the version of the AVG program?

Please provide us the screenshot of the message to investigate further.

You can post the screenshot here in your topic. Click on "Answer" & then click on the "Image" [mountain symbol] & follow the instructions.

Keep us posted.

I received an alert on my MacBook as follows: 
Legacy System Extension
Existing software on your system loaded a system extension signed by "AVG Technologies CZ, s.r.o." which will be incompatible with a future version of macOS.  Contact the developer for support.
Can you help me with this?

Hi Lillian,

We will help you to sort out the issue.

Could you mention the version of the AVG program?

Please provide us the screenshot of the message to investigate further.

You can post the screenshot here in your topic. Click on "Answer" & then click on the "Image" [mountain symbol] & follow the instructions.

Keep us posted.