UI FAILED TO LOAD

Since morning when ever i switch on my computer i get a pop up message stating that both windows defender and Avast are turned of and when i open my avast its says:

UI FAILED TO LOAD
AV SERVICE IS NOT RESPONDING

ANY SOLUTION?? i have to keep on restarting the service manually and sometimes its refuses

am on Windows 10 X64 …

Using Avast Premire

Have you tried a repair?
Recommend a Repair of your Avast Installation:https://www.avast.com/faq.php?article=AVKB204

i tried it and it didnt work …

https://support.avast.com/article/Troubleshoot-Antivirus-UI-Failed-load