You can change the hotkeys using Notezilla
Preferences. To access Notezilla
's Preferences, right click on Notezilla
icon and choose Preferences from the menu. Then click on the Hotkeys tab and change the required hotkey.
Shortcuts, if they are interfering with another program then they are set as "hotkeys" in another program. You may want to check with the other program and change the hotkeys there.
Because only hotkeys are global, across the system.