AVG SEcure Browser not loading

Hello Peter,
Thank you for reaching AVG Support Community.
We sincerely apologize for the difficulties you are currently experiencing.
We'll certainly check and help you to resolve it.
For better clarity, please share the screenshot of the error message which you receive while accessing the AVG Secure Browser on your PC.
You can post the screenshot here in your topic. Click on "Answer" & then click on the "Image" [mountain symbol] & follow the instructions.
Also, please let us know the operating system of your device.
Thank you for your understanding.

When selected it opens a white half screen window the closes it again. Tried rebooting, same result. Fully uninstalled it and then downloaded and installed it again. Fully installs but has the same result.

Hello Peter,
Thank you for reaching AVG Support Community.
We sincerely apologize for the difficulties you are currently experiencing.
We'll certainly check and help you to resolve it.
For better clarity, please share the screenshot of the error message which you receive while accessing the AVG Secure Browser on your PC.
You can post the screenshot here in your topic. Click on "Answer" & then click on the "Image" [mountain symbol] & follow the instructions.
Also, please let us know the operating system of your device.
Thank you for your understanding.