Cannot remove "Searchdaemon will damage your computer" pop up

Thanks to a long standing contributor @John Galt  to remove this Malware. 

Restart the computer in Safe Mode

Then follow the instructions in link below

About those "<app> will damage your computer" messages

Stop unwanted Notifications

Phony "tech support" / "ransomware" popups and web pages

Uninstall the Adware you installed.

Etrecheck may be able to help you remove it or at least find its operative parts.

They are likely in /Library/LaunchDaemons, /Library/LaunchAgents, or ~/Library/LaunchAgents.