I have tried using terminal to delete two old installer dmg files with no luck! Any suggestions?
Here is the terminal content:
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iMac:~ allyson$ sudo rm -rf /Users/allyson/.Trash/Install\ macOS\ Mojave.app
Password:
rm: /Users/allyson/.Trash/Install macOS Mojave.app/Contents/SharedSupport/InstallESD.dmg: Operation not permitted
rm: /Users/allyson/.Trash/Install macOS Mojave.app/Contents/SharedSupport: Directory not empty
rm: /Users/allyson/.Trash/Install macOS Mojave.app/Contents: Directory not empty
rm: /Users/allyson/.Trash/Install macOS Mojave.app: Directory not empty
iMac:~ allyson$