Reinstall Screens Connect for macOS

Screens Connect shares information about the computer it's installed on with your Screens ID account. This information is then retrieved by Screens to display the computer under the Screens Connect list in the Screens Library, making connecting to the computer from Screens an extremely simple matter.

If you install Screens Connect, log into the app with your Screens ID, and the computer doesn't appear in either the Screens Library or in your Screens ID account, there may have been a problem with installation. To rectify this:

On macOS 10.11 El Capitan or later:

1. Click the Screens Connect icon.
2. Click Stop Screens Connect. (Uninstall Screens Connect in older versions)
   
3. Open Keychain Access.
4. Search for "screens connect" and "screens.connect" (without quotes).
5. Remove all results from the Keychain.
6. Reboot the computer.
7. Download a fresh copy of the latest Screens Connect release.
8. Install Screens Connect as per our Screens Connect User Guide, making sure that you allow the helper tool installation when prompted.

On earlier macOS versions:

1. Download and run the uninstaller tool.
2. Open Keychain Access.
3. Search for "screens connect" (without quotes).
4. Remove all results from the Keychain.
5. Reboot the computer.
6. Download a fresh copy of the latest Screens Connect release.
7. Install Screens Connect as per our Screens Connect User Guide.

Managing CFErrorDomainLaunchd errors during helper tool installation

In order to launch from boot, Screens Connect needs to install a helper tool, which requires administrative rights and that you enter your Mac user password. If you get an error such an error during the installation:

CFErrorDomainLaunchd error 2

This means that you've cancelled the installation. Restart your Mac and re-launch Screens Connect, making sure to allow the helper tool installation.

If you keep getting this error, follow these steps:

1. Go to Applications > Utilities > Terminal to bring up a command prompt
2. Type the following:
   • sudo mkdir /Library/LaunchDaemons
   • sudo mkdir /Library/PrivilegedHelperTools
3. Close Terminal, launch Screens Connect.

CFErrorDomainLaunchd error 9

The helper tool was somehow disabled by mistake. Please follow these instructions to solve the issue.

If you see several instances of Screens Connect in your Menu Bar

Here is the procedure to follow if you have more than one instance of the app running:

1. Click on the Screens Connect menu bar icon and select Stop Screens Connect.
2. You will need to enter your user password in order to stop the service.
3. Repeat Step 1 for each instances.
4. Locate all copies of Screens Connect.app that are not in your /Applications folder.
5. Move those copies to the Trash and empty it.
6. Double-click on /Applications/Screens Connect.app to restart the service.

If you're having trouble finding the unwanted instance of Screens Connect, follow these instructions:

1. Launch Activity Monitor.
2. Search for "Screens Connect" (without quotes).
3. Select each instance and click the Info button (i).
4. Select the Open File and Ports tab.
5. In the first couple of lines, you should see the path where the app is located.
6. Proceed to the instructions above.