How to Uninstall CrashPlan from Mac

uninstall crashplan


  1. Remove CrashPlan with the uninstalling software.
  2. Uninstall CrashPlan manually.

1. Remove CrashPlan with the uninstalling software

To delete CrashPlan in a few clicks you can use a special tool App Cleaner & Uninstaller. This utility scans the whole HD and searches for applications and all its service files. As well you can find leftovers (remains) of previously deleted apps.

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*Please note, with the latest update of CrashPlan, its developers have made it unable by default to uninstall the application. You can check it by calling “Get info” command – you will see that it is locked.

uninstall crashplan mac

To unlock CrashPlan use the Terminal app and the following commands:

1) sudo chflags nouchg /Applications/

uninstall crashplan osxType your password and click Enter. Then enter this command:

2) sudo chflags noschg /Applications/

After this, you can easily uninstall CrashPlan from your Mac.

Please note, the command above works if you have administrator rights. In case you have logged in to Mac via your User account, you should re-login as Admin. You can re-login or do it right in the Terminal using the following command:

login admin [name][/name]

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2. Uninstall CrashPlan Manually

Follow these steps:

  1. Unblock CrashPlan (as we have described above).
  2.  Quit CrashPlan Application.

Uninstall crashplan #1

3. Delete the next system files:

  • Macintosh HD > Users > [current user=””][/current] >  ~Library > Saved Application State > com.backup42.desktop.savedState
  • Macintosh HD > Users > [current user=””][/current] >  ~Library > Caches > com.backup42.desktop
  • Macintosh HD > Users > [current user=””][/current] >  ~Library > Saved Application State > com.backup42.desktop
  • Macintosh HD > Users > [current user=””][/current] >  ~Library > Preferences > com.backup42.desktop.plist
  • Macintosh HD > Users > [current user=””][/current] >  ~Library > Logs > Crashplan

4. Delete CrashPlan from the Applications folder.

Now, you have to mount the application from its disk image. If you click on it, you’ll find uninstall file.

uninstall crashplan #3


App Cleaner & Uninstaller Quick Links:

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