Hello John,
I regret for the inconvenience caused.
Please follow the steps from this link http://support.avg.com/SupportArticleView?urlname=How-to-resolve-an-issue-when-AVG-shows-the-UI-Failed-to-load-error and check if you are able to fix this "UI failed to load error" on your computer.
If you face any difficulties, please send me the screenshot http://avgclick.me/getscreenshot of the error message to assist further.
Jhn, If applicableā¦ For your info, just in case that you are unaware, you can post the screenshot here in your topic. Click on 'Answer' & then click on the 'Image' [mountain symbol] & follow the instructions.
AVG Guru