# Unable to authenticate **URL:** \ **Category:** Simlink/Moving Map\ **Created:** [March 21, 2023, 9:29am UTC](https://forum.navigraph.com/t/unable-to-authenticate/11561 "2023-03-21T09:29:32Z")\ **Posts on this page:** 8\ **Page:** 1
**Author:** ![JacqPee](https://avatars.discourse-cdn.com/v4/letter/j/f04885/32.png) [@JacqPee](https://forum.navigraph.com/u/JacqPee)\ **Post date:** [March 21, 2023, 9:29am UTC](https://forum.navigraph.com/t/unable-to-authenticate/11561/1 "2023-03-21T09:29:33Z")
When I click on “SIGN” for autenthicate, I receive the message "Please wait for user authenticate… but nothing happens ? I’m unable to connect simlink to X Plane 11 Could not connect to simulator, Simlink needs to be running. Read more about simlink here When I try to launch simlink again, it’s wroten : simlink is still running ??? WHAT CAN I DO ??? I’m completely lost for weeks… . ---
**Author:** ![vishalahir](https://dub1.discourse-cdn.com/flex013/user_avatar/forum.navigraph.com/vishalahir/32/15530_2.png) [@vishalahir](https://forum.navigraph.com/u/vishalahir)\ **Post date:** [March 22, 2023, 1:11pm UTC](https://forum.navigraph.com/t/unable-to-authenticate/11561/2 "2023-03-22T13:11:09Z")
HI @JacqPee, Please check [this](https://forum.navigraph.com/t/i-can-t-sign-into-my-simlink/10757/2) to fix the login issue in the Simlink application. TR, Vishal Ahir **Navigraph** ---
**Author:** ![JacqPee](https://avatars.discourse-cdn.com/v4/letter/j/f04885/32.png) [@JacqPee](https://forum.navigraph.com/u/JacqPee)\ **Post date:** [March 27, 2023, 10:04am UTC](https://forum.navigraph.com/t/unable-to-authenticate/11561/3 "2023-03-27T10:04:58Z")
Unfortunately, nothing works. I can’t loggin in always the same message… 🙄 ![Screenshot 2023-03-27 at 11-59-54 https __identity.api.navigraph.com](https://europe1.discourse-cdn.com/flex013/uploads/navigraph1/original/2X/7/7a43261be1010672f8f0b513eb82807ae4d83650.png) ---
**Author:** ![JacqPee](https://avatars.discourse-cdn.com/v4/letter/j/f04885/32.png) [@JacqPee](https://forum.navigraph.com/u/JacqPee)\ **Post date:** [March 29, 2023, 7:04am UTC](https://forum.navigraph.com/t/unable-to-authenticate/11561/4 "2023-03-29T07:04:39Z")
Here an other ERROR message: ![Capture d’écran (2)](https://europe1.discourse-cdn.com/flex013/uploads/navigraph1/original/2X/b/b62db5c3da070d1ea060a01e0f481e889b9760be.jpeg) ---
**Author:** ![vishalahir](https://dub1.discourse-cdn.com/flex013/user_avatar/forum.navigraph.com/vishalahir/32/15530_2.png) [@vishalahir](https://forum.navigraph.com/u/vishalahir)\ **Post date:** [March 30, 2023, 7:27am UTC](https://forum.navigraph.com/t/unable-to-authenticate/11561/5 "2023-03-30T07:27:47Z")
Hi @JacqPee, Thank you for the issue details, I see that you are using the Firefox web browser, and in the Firefox browser, default application settings are changed and due to that correct application was not opened on the web login. To fix that please follow the below steps, 1. Close the Simlink application. 2. Open Firefox web browser and go to browser settings. 3. in Settings → General → Applications, there is `navigraph-traffic-desktop` content-type listed. 4. Set the `navigraph-traffic-desktop` value as `Use Navigraph Simlink` as default. ![image](https://europe1.discourse-cdn.com/flex013/uploads/navigraph1/original/2X/3/33a623907a4e3fdb76c01d2c817acecc47f991f8.png) 5. Now, start the Simlink application and try to login again. 6. Done 🙂 Please let us know if you still have the issue. TR, Vishal Ahir **Navigraph** ---
**Author:** ![JacqPee](https://avatars.discourse-cdn.com/v4/letter/j/f04885/32.png) [@JacqPee](https://forum.navigraph.com/u/JacqPee)\ **Post date:** [March 30, 2023, 10:11am UTC](https://forum.navigraph.com/t/unable-to-authenticate/11561/6 "2023-03-30T10:11:36Z")
Hi Vishal, Thanks a lot, the issue is fixed now 😁 Jacques Envoyé de mon iPad ---
**Author:** ![vishalahir](https://dub1.discourse-cdn.com/flex013/user_avatar/forum.navigraph.com/vishalahir/32/15530_2.png) [@vishalahir](https://forum.navigraph.com/u/vishalahir)\ **Post date:** [March 30, 2023, 11:42am UTC](https://forum.navigraph.com/t/unable-to-authenticate/11561/7 "2023-03-30T11:42:04Z")
Hi @JacqPee , Happy to know that, your issue is fixed. Please feel free to inform us, if any issues you get with Navigraph Product. TR, Vishal Ahir **Navigraph** ---
**Author:** ![JacqPee](https://avatars.discourse-cdn.com/v4/letter/j/f04885/32.png) [@JacqPee](https://forum.navigraph.com/u/JacqPee)\ **Post date:** [March 30, 2023, 1:28pm UTC](https://forum.navigraph.com/t/unable-to-authenticate/11561/8 "2023-03-30T13:28:15Z")
OK Vishal, Thanks Jacques Envoyé à partir de [Courrier](https://go.microsoft.com/fwlink/?LinkId=550986) pour Windows ![E581DFDE210F446A9E272B81B96968E6.png](https://europe1.discourse-cdn.com/flex013/uploads/navigraph1/original/2X/2/2e839751fd263c2803de1577258c08f5c6235600.png)