Great! No Issues Found

Great! No Issues Found.
That’s the message returned immediately when I clicked full virus scan to start it although no scan was even done!
Please let me know why this happened.
Thank you.
Regards,

Try this and reboot >> https://www.avast.com/faq.php?article=AVKB204#artTitle

any change?

First, we need to know which platform/OS/product is used.

Problem solved by uninstalling Avast and then reinstalling it.
Thanks everybody for your help.
Regards,

You’re welcome.