My avg pc tune up fails to open

AVG Performance
1

Hi, 
I have been using my avg pc tune up for many months now but recently when i try to open it to run  maintenance it just displays ' Oop's Embarassing 'and no longer functions  .Just wondering how to recover the functionality.

thank you

2

Hi Shirley.
We regret the inconvenience caused.
Please follow the steps in this link to resolve this user interface issue.

3

Hi Shirley.
We regret the inconvenience caused.
Please follow the steps in this link to resolve this user interface issue.