Error “Your session is invalid or has expired” when Launching Creo Trial Player

Issues:

User encounters error "Error “Your session is invalid or has expired” when Launching Creo Trial Player 

Reasons/Causes: -

• This issue is encountered when Multiple sessions have been launched for Creo Parametric Trial

Solution:

• Open Task Manager
  • Right-click the Windows taskbar and select “Task Manager”

• Or Search in windows i.e. type in “Task Manager” and  open it.
  • Select Processes tab and confirm multiple session have been launched
  • Right click on Creo 8.0.0.0 from PTC and select End Task

• Relaunch Creo Parametric 8 trial version