Article - CS34389

Error "An Unhandled exception occurred on the dispatcher thread. See C:\ProgramData\PTC\MathcadPrime\Logs\MathcadPrime_Exception_###.log" and Mathcad Prime fails to launch

Modified: 09-Feb-2021   

Applies To

  • Mathcad Prime 1.0 to 6.0

Description

  • Mathcad Prime fails to launch with error "An Unhandled exception occurred on the dispatcher thread. See C:\ProgramData\PTC\MathcadPrime\Logs\MathcadPrime_Exception_###.log"
  • Getting error "An unhandled exception occured in the dispatcher thread. See C:\ProgramData\PTC\Mathcad Prime\Logs\MathcadPrime_Exceptions_XXXXXXX_XXXXXX.log for more information. Prime will attempt to save any modified file and close. Please restart the application" when starting the application
  • Mathcad Prime fails to launch without any error message
  • Mathcad Prime does not launch after the initial splash screen in Windows 10 OS
This is a PDF version of Article CS34389 and may be out of date. For the latest version click https://www.ptc.com/en/support/article/CS34389