My Mac is running very slow and crashes I done a full scan and ran a clean up what more can I do please help

I need to clean my mac still got a lot of junk that is making it hard to link into URL'S and my own pages can any body tell me what's going on with AVG services?

Luis, Mac support… Have a look @ this new form link (https://support.avg.com/support_contact_form) to get email/chat/phone support. Otherwise, A member of the official AVG Community Support will see your posting & respond.
AVG Guru

Luis, Mac support… Have a look @ this new form link (https://support.avg.com/support_contact_form) to get email/chat/phone support. Otherwise, A member of the official AVG Community Support will see your posting & respond.
AVG Guru