To reinstall Slack on your Mac PC follow these steps:Ģ. If you are not comfortable with fix 1, then you can try reinstalling slack as it is much more simple and doesn’t contain any confusing command lines. After executing the above command, type the administrator password of your Mac PC and again press the return key. Tip: You can get your username mentioned on the top of the terminal window that you are currently using.Ĥ. Make sure to replace the term username with your actual username.

In the Terminal window, enter the following command and press the return key: sudo chown -R username:staff /Applications/Slack.app In Finder go to Applications > Utilities > Terminal.ģ. To change the ownership of Slack from root to the owner, follow these steps:Ģ. Here are the steps to perform both of the procedures. And so solve this, you can have two different approaches. Bottom Line How to Fix “Slack Is Trying to Add a New Helper Tool” Error on MacĪs per many experienced users, this issue occurs on most Macs because Slack is owned by the root of the system instead of by the user itself.

Slack install mac