Error message: "Authenticating, please wait…"

Problem description

GMG ColorPlugin is installed, but it does not work to log in. The error message is: "Authenticating, please wait…"

Solution

This error happens if the front-end part of the plugin is not installed correctly.

Option 1: Manual install of the panel (.ccx)

1. Close Photoshop completely (make sure it’s not running in the background).
2. Go to: C:\Users\Public\GMG\GMG ColorPlugin\GMGColorPluginPanel
3. Double-click the GMGColorPluginPanel.ccx file to install it manually.
4. Open Photoshop and check if the plugin works.

Option 2: Clean removal + reinstall

If Option 1 doesn’t help:

1. Remove the plugin from Creative Cloud.
2. Uninstall it from Windows via Add or Remove Programs.
3. Reinstall the plugin, then test again.