Pls first run http://files.avast.com/iavs9x/avastclear.exe then reboot the pc in normal mode and run cclaner>Registry.and look for leftover files of avast!
- Download Avast from http://files.avast.com/iavs9x/avast_free_antivirus_setup.exe
- Follow instructions: https://www.avast.com/uninstall-utility (Run this tool for all prior installed Avast versions…!!)
- Reinstall Avast with the downloaded installer from point 1.
- Reboot.
Note: You running very old avast!.Support was ended.