Google disappearing and only Bing coming up

Hello Susanne.
Thank you for contacting AVG Community Support.
We see that your default search engine changed to Bing in your Browser and you are unable to change.
We will definitely help you with this.
Please follow the below steps to change your Browser Settings, go to ⋮ Menu (three dots) ▸ Settings, then click one of the following options from the left-side menu: Search engine:
-Use the drop-down menu to select the preferred search engine used in your address bar.
I hope this help. Please feel free to reach us again if you need any other help with AVG.
We appericate your understanding.

Hello Susanne.
Thank you for contacting AVG Community Support.
We see that your default search engine changed to Bing in your Browser and you are unable to change.
We will definitely help you with this.
Please follow the below steps to change your Browser Settings, go to ⋮ Menu (three dots) ▸ Settings, then click one of the following options from the left-side menu: Search engine:
-Use the drop-down menu to select the preferred search engine used in your address bar.
I hope this help. Please feel free to reach us again if you need any other help with AVG.
We appericate your understanding.

When I click on the Google icon on the taskbar I only get Bing and the Google icon has disappeared from the opening page when I go on the web.
What has happened and what can I do?
This is quite recent.
If this is a malware, how did it get through my AVG protection?