- Make sure PeakHour is stopped / not running.
- Open Terminal (the easiest way is to click the Spotlight magnifying glass in the top-right corner of the screen, type 'Terminal' and hit Enter).
Copy and paste the following and hit Enter.
rm ~/Library/Preferences/com.digitician.peakhour.plist rm -r "~/Library/Application Support/PeakHour" rm -r ~/Library/Containers/com.digitician.peakhour
- Reboot your Mac.