Hi, your scanning functions do not load fully and do not complete the action. Is it because you want us to buy the pro version? If this is the case, it is un-professional. Please inform me. Kind regards.
You will have to give more detailed information for anyone to be able to say what it might be, e.g. any screenshots or error message displayed ?
I have been using avast free for over 15 years now, yes they would like me to buy a premium product but that choice is mine and avast free meets my needs.
What is your avast version number, operating system version and do you have any other security based software installed ?