avast will not run so I am unprotected…will not update …browser works, email works.
will not (fix now)itself
iYogi is trying to figure it out or conferring with others
What were the initial symptoms when you first noticed this - did it just stop whilst on or did it fail to start on boot ?
@btray
I hope that iYogi help you to resolve the problem - I am sure they will. Or, of course, please feel free to ask your questions here and our extremely helpful forum members will be sure to help you! 
Best regards,
Adam