If you are having issues with activating your newly purchased plugins, please try deleting your current license file, and then follow the "offline activation" procedure.
Go to the Finder and click on Go > Go to Folder, and the enter this file path exactly as written below:
On Windows the location is:
Then look through the resulting directory, find the folder named “Plugin Alliance” and throw it away.
Next, try authorizing offline: If the plugin activation window isn't already open, click on the "Activation Required" text, or the key icon on the bottom right side of the plugin window. Next click the "I'm offline" button, and then click "Save to file" to save your machine ID. Then, open a browser window and go to Manage Devices, click "choose file," and upload that machine ID file. Click "activate." Then click "Download license file" and you'll get a file that you can upload by clicking on the "open license" button in the plugin window.