If you're still having trouble, I can help you further if you tell me: Are you using a or an old serial number ?
I can provide specific to clear your license cache if a standard login doesn't work.
Understanding how these credentials interact is the key to unlocking your plugins in After Effects, Premiere Pro, or Final Cut Pro. 1. Use Your Maxon ID, Not Your Legacy Red Giant ID
Sometimes the local cache gets stuck. In the Maxon App, click the menu (three lines) and select Close the app entirely, restart it, and log back in. Check for Maintenance
Red Giant, now a part of Maxon, has transitioned its licensing system to the Maxon App. If you are searching for how to make your Red Giant ID and password work, you are likely navigating the shift from legacy serial numbers to the modern Maxon ID system.
Which (e.g., Particular, Denoiser) is failing? Are you on Windows or macOS ?
Ensure Maxon.exe and Red Giant Service have permission to access the internet.
📍 If your ID works but the "Red X" won't go away, try clicking "Refresh" in the Maxon App or clearing your plugin cache in After Effects.