MacOS – How to delete App (files with cross sign) that cant delete from Application on Mac

these are sort of "nuke from orbit" directions; there's likely a less extreme way, but this should work:

• shutdown
• boot to single-user mode by holding down ⌘ command-s on boot

• enter these commands at the console

  fsck -fy
  mount -uw /
  rm /var/db/.AppleSetupDone
  shutdown -r now
  

• run through the Setup Assistant creating a new administrator account

Beware : once you change the content of a torrent, you're not able to seed it anymore.

Open a finder window, search for all files named .dat then just press cmd+a (select all) then cmd+backspace (delete) then cmd+backspace+maj (empty the bin)

You can also use gemini to find duplicates then delete them with Finder, or if you're familiar with bash :

find -not -empty -type f -printf "%s\n" |
    sort -rn |
    uniq -d |
    xargs -I{} -n1 find -type f -size {}c -print0 |
        xargs -0 md5sum |
        sort |
        uniq -w32 --all-repeated=separate