Simlink is not allowing me to authenticate

I’ve been using Simlink for the past year without any issues, however, starting yesterday and again today, I can no longer get Simlink to bring up the Navigraph authentication webpage and the application just sits at the “Please wait for user authentication” screen and my browser never opens.


Things I have tried:

  • Restarting computer both before the reinstall and after
  • Reinstalling Simlink using the latest installer from the website
  • Removing any leftover files in the following two directories after uninstalling
    c:\Program Files\Navigraph\Simlink
  • Switching my default browser from Chrome to Edge
  • Running simlink regular and as an administrator

Attached is also my Simlink Log, which I see is usually asked
simlink_2022-06-25.dlog (4.6 KB)

Any ideas? I am currently unable to use Simlink.


From your issue posted details, It looks like some configuration issue of the Simlink.

I think resetting of Simlink configuration will fix your issue.
To reset the Simlink configuration please follow these steps.

Please let us know if the issue is fixed or not.


Ahir Vishal D.

Yes, deleting the Navigraph folder and relaunching Simlink did the trick. Thank you for your quick reply!

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