If you have purchased the key to the plug-in, insert the key disk when Pro Tools prompts you. Otherwise, remove either the specific plug-in files (System Folder>DAE Folder>Plug-ins folder) that Pro Tools says are expired or that have the word "demo" in the filename. Trash the DAE prefs (entire folder) from the System Folder>Preferences folder, empty the Trash and relaunch Pr Tools. For DINR, you need to remove 3 files: Broadband Noise Reduction, Broadband Noise Reduction A/S and Hum Removal.