Extend Expired TrendMicro Internet Security license

These instruction will guide you to extend expired TrendMicro Internet Security 2005 License.
  • Stop TrendMicro
  • Go to the folder on C: drive the software is installed.
  • Go to "Internet Security" Folder and rename the following files.pcclient.exe ->
    • pcclient.exe -> pcclient.exe.BK_
    • pc-cillin.ini -> pc-cillin.ini.BK_
    • result.htm.tag -> result.htm.tag.BK_
    • result.htm -> restul.htm.BK_
  • Copy pcclient.exe and pc-cillin.ini from the licensed pc to the new pc.
  • Restart TrendMicro
  • Check if the license is update
  • Click "Update Component" to download the new updates.