SIM Dispatcher fails to start from XENBIT Launcher

Bugs
1

Summary / Summary

SIM Dispatcher does not start from the XENBIT Launcher

Steps to Reproduce / Steps to Reproduce

  • Start session online
  • Go to XENBIT Launcher
  • Select “SIM Dispatcher 4” or “SIM Dispatcher 4 (Stage)”
  • Click “Start”

Expected Behavior / Expected Behavior

SIM Dispatcher starts the session

Actual Behavior / Actual Behavior

A loading indicator is displayed (at the mouse cursor), the loading indicator disappears, nothing happens.

When attempting to start the stage version, the following error message appeared once:

Screenshot 2026-08-24 182243
Screenshot 2026-08-24 1822431122×440 9.13 KB

Impact on Usage / Impact on Usage

Minor: Small / cosmetic impact. / Small / cosmetic impact.
Moderate: It disrupts some workflows. / It disrupts some workflows.
Critical: I can’t use the platform at all. / The platform is not usable.

Screenshots or Logs / Screenshots or Logs

2

It’s likely that SmartScreen / Windows Defender (or something similar) removed the application. Is it possible for you to uninstall the application in the launcher and then reinstall it?

3

I’ve already tried that, and I also reinstalled the entire launcher. The error persists.

4

Can you please send us the latest log file? You can find it at the path: %LocalAppData%\XENBIT\Launcher\Logs\

5

I sent it to you by email.

6

Update for other users: If you experience the same issue, please test version 1.1.5 from the XENBIT Launcher.