Avast using 90% of my CPU rendering my Computer useless!

Avast Free Antivirus / Premium Security
1

Over the past few days my computer ground to a virtual halt. Pull up Task Manager and see Avast Services using 90%+ of my CPU. Why? And why is there no fix? The Antivirus is now itself a piece of malware! Anyone know of a fix? I could quit Avast but have Avast Premium so paying for this abuse

2
  1. Download Avast Premium Security: https://files.avast.com/iavs9x/avast_premium_security_setup_offline.exe
  2. Follow instructions: https://www.avast.com/uninstall-utility (Run this tool for all prior installed Avast versions…!!)
  3. Reinstall Avast with the downloaded installer from point 1.
  4. Reboot.