On the machine that is running Active Administrator open the registry via Start | Run | Regedit.
Browse to HKEY_LOCAL_MACHINE\SOFTWARE\ScriptLogic Corporation\Active Administrator\Settings
Note: Use "HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\ScriptLogic Corporation\Active Administrator\Settings" instead for x64 operating systems.
Delete the following values:
Browse to “C:\Program Files\ScriptLogic Corporation\Active Administrator 6”
Note: Use “C:\Program Files (x86)\ScriptLogic Corporation\Active Administrator 6" instead for x64 operating systems.
Delete all files with the .LIC extension
Save original license file received via Email to the desktop
Open the Active Administrator Console
When prompted for the license file
Browse to the license file on the desktop and apply it