MacOS – How to disable guest browsing in chrome on Mac

google-chromemacosterminal

I am trying to disable guest browsing in Chrome. It's proving to be somewhat difficult. I have tried using terminal which I was able to disable incognito browser but failed trying to disable guest browsing.

How do I proceed?

Best Answer

By piecing together information I found on various forums, I was able to come up with this method that worked on my Mac Mini running macOS 10.15 (Catalina):

Open the "Terminal" application. Use "Spotlight Search" (magnifying glass icon in upper righthand corner of screen) to search "Terminal" and click on the first result to open the application, or go to Finder --> Go --> Utilities --> Terminal.
Copy and paste the command below into the Terminal window and hit "Enter" on the keyboard.
```
defaults write com.google.Chrome BrowserGuestModeEnabled -bool false
```
Restart your Mac and the option for guest browsing will be gone the next time you open Chrome.

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How to determine which app is trying to invoke Google Chrome

man iosnoop

man execsnoop

man opensnoop

Also possible to get a hint of what's going on running

launchctl bslist -j

as root, which will show you launchd jobs, -j tells you which job started it,

and

launchctl bstree

Which shows the jobs running, and under which domain they are running under.

MacOS – How to make Chrome the default browser in the OSX Guest Account

The crucial point to realize with the Guest account is that the User homefolder it creates, with preferences set in its /Library/Preferences folder, are wiped upon logout.

To effect changes, you need to make the changes (add the specific preference files) in the /System/Library/User Template/English.lproj folder. This folder contains the generic template User Homefolder structure used when creating a new user or the Guest User.

This page has details about how it is done in Snow Leopard, but it is applicable to Mavericks.

Best Answer

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