Please uninstall SharkScope Desktop then go to your home directory /Users/YOUR_USER and then delete below file from /Library/Preferences/
com.barbarysoftware.sharkscopedesktop.plist
If the file is not there, please try from the root directory: /Library/Preferences/, look for it with searchlight and make sure that hidden files are visible too.
https://nordlocker.com/blog/how-to-show-hidden-files-mac/
Finally re-install your SharkScope Desktop once again, with the latest version available in sharkscope.com, then re-start your equipment.