Authentication Failed! Try with another link or check your connection!

colormar · December 23, 2019

I received the email; "Fing Desktop Beta now available for you."

I am trying the Desktop Beta and this is the message I receive when authenticating in Fing and reopening the app; "Authentication Failed! Try with another link or check your connection!"

Robin_Ex_Fing · December 23, 2019

Thanks @colormar for the feedback. Can you share your feedback on this thread and check for some useful information: https://community.fing.com/discussion/2584/installation-and-authentication-issue#latest

JCLiou · April 23, 2020

I did installation of Fing Desktop on Windows 7. I could log in to my account on Chrome. However I could not open the app even I did my account authentication. It continues to show "Authentication Failed" and requests to sign in again. What should I do? Fing Desktop version is 1.3.1. Thanks.

Robin_Ex_Fing · April 23, 2020

JCLiou said:

I did installation of Fing Desktop on Windows 7. I could log in to my account on Chrome. However I could not open the app even I did my account authentication. It continues to show "Authentication Failed" and requests to sign in again. What should I do? Fing Desktop version is 1.3.1. Thanks.

Can you try to make some other browser as your default browser and then reboot the device and then try again? Thanks

JCLiou · April 23, 2020

Yes. I tried to use Internet Explorer 11 instead. And I signed in correctly. But once I press the 'OPEN FING WINDOW' buttom and follow the prompts, the same message "Authentication Failed! Try with another link or check your connection!" showed up again! This a cyclic request with no ending...just like the Groundhog Day! How do I solve this? I have upgraded to v1.3.2 already.

Robin_Ex_Fing · April 23, 2020

JCLiou said:

Yes. I tried to use Internet Explorer 11 instead. And I signed in correctly. But once I press the 'OPEN FING WINDOW' buttom and follow the prompts, the same message "Authentication Failed! Try with another link or check your connection!" showed up again! This a cyclic request with no ending...just like the Groundhog Day! How do I solve this? I have upgraded to v1.3.2 already.

Thanks for your feedback. if restart PC haven't help to resolve this behaviour, these commands may be useful to windows (to launch from Command Prompt as administrator):
Step normal case

Stop service command: sc stop Fing.Agent
Start service command: sc start Fing.Agent

Fing agent needs the Windows libraries which are installed with the WinPcap package during FingDesktop installation, it used to make packet capture and filtering useful our engine to protocol analyzers and network monitors.
Fing agent service cannot work properly without the correct installation of WinPcap.

Please open command prompt and return the output:

sc query npf

it's useful to understand if the WinPcap has been installed correctly and it is running properly.

JCLiou · April 23, 2020

Thanks, Robin. Here I got the log as follows. The issue persisits.

Microsoft Windows [Ver. 6.1.7601]

C:\Windows\system32>sc stop Fing.Agent

SERVICE_NAME: Fing.Agent

TYPE : 10 WIN32_OWN_PROCESS

STATE : 3 STOP_PENDING

(STOPPABLE, NOT_PAUSABLE, ACCEPTS_SHUTDOWN)

WIN32_EXIT_CODE : 0 (0x0)

SERVICE_EXIT_CODE : 0 (0x0)

CHECKPOINT : 0x0

WAIT_HINT : 0x0

C:\Windows\system32>sc start Fing.Agent

SERVICE_NAME: Fing.Agent

TYPE : 10 WIN32_OWN_PROCESS

STATE : 2 START_PENDING

(NOT_STOPPABLE, NOT_PAUSABLE, IGNORES_SHUTDOWN)

WIN32_EXIT_CODE : 0 (0x0)

SERVICE_EXIT_CODE : 0 (0x0)

CHECKPOINT : 0x0

WAIT_HINT : 0x7d0

PID : 6832

FLAGS :

C:\Windows\system32>sc query npf

SERVICE_NAME: npf

TYPE : 1 KERNEL_DRIVER

STATE : 4 RUNNING

(STOPPABLE, NOT_PAUSABLE, IGNORES_SHUTDOWN)

WIN32_EXIT_CODE : 0 (0x0)

SERVICE_EXIT_CODE : 0 (0x0)

CHECKPOINT : 0x0

WAIT_HINT : 0x0

Robin_Ex_Fing · April 28, 2020

Hi @JCLiou
Can you send me the log files as well?
TO SHARE LOG FILES:

Share the agent log: To access the agent log files:

1. Click on the Fing Desktop version in the bottom-left hand side of the screen
2. This will display two folders to open. We will need specific files from each of these folders.
3. Firstly, click on 'Open App Log Folder'
4. When the folder opens, we will now need to compress and share the log.log file (titled 'log' - all lowercase). To compress and share: right click on the file; choose 'Send to' & then choose 'Compressed zip folder'.
5. Please attach both compressed files to your e-mail response to us.

JCLiou · April 29, 2020

I'm afraid that I don't follow. Do you mean launching Fing from the 'start' button? That did not work out. It behaves the same. Without passing the 'Authentication Fail' road block, Fing cannot be launched. Please instruct me how to send the file as well. Thanks.

Robin_Ex_Fing · May 1, 2020

JCLiou said:

I'm afraid that I don't follow. Do you mean launching Fing from the 'start' button? That did not work out. It behaves the same. Without passing the 'Authentication Fail' road block, Fing cannot be launched. Please instruct me how to send the file as well. Thanks.

You can check in system tray if FIng Desktop is present and open the application from there and then share the log files here after compressing them as per the steps provided above.

JCLiou · May 1, 2020

OK. I could launch Fing Desktop from the system tray. And the response is still the same. I only get to the following screen. Where should I find the folders as you mentioned?

Image: https://us.v-cdn.net/6031733/uploads/editor/ay/ezk0dowppd7p.jpg

Robin_Ex_Fing · May 13, 2020

Hi @JCLiou
Can you upgrade to the latest version and then check if you are still facing the same problem? Thanks

JCLiou · May 13, 2020

I downloaded Fing 1.4.0 and it behaves the same. BR --JC

Robin_Ex_Fing · May 13, 2020

JCLiou said:

I downloaded Fing 1.4.0 and it behaves the same. BR --JC

Can you completely uninstall the Fing Desktop and then reboot the device and then download a fresh version of the Fing Desktop to check? Also, Can you DM me the Fing email address you are trying to use and the browser on which you are trying to login so I can check?

JCLiou · May 14, 2020

The issue remains after I did as instructed. How I mail you? BR --JC

Robin_Ex_Fing · May 15, 2020

Hi @JCLiou
You can send me a DM with log files.

You need to go to the location of the Fing Desktop folder and get the log files manually. You need to share the log.log file from the app log folder. And, fing-agent.log file (without any number after 'agent') from the service log folder. To do this, go to this location by putting the address under ‘Run’ window (Press CTRL+R to open)

1) C:\Users\<USER>\AppData\Roaming\FingAgent\Log (Service Log Folder)

2) C:\Users\<USER>\AppData\Roaming\Fing (App Log Folder)

And, please send the information on what is returning by typing this URL "http://127.0.0.1:48080/getFingagentinfo" on your browser?

FrancoStuart · June 9, 2020

I have the same problem (Tengo el mismo problema)

((

Robin_Ex_Fing · June 12, 2020

FrancoStuart said:

I have the same problem (Tengo el mismo problema) ((

Can you try to make some other browser as your default browser and then reboot the device and then try again? Thanks

MartinoP · June 25, 2020

I have the same problem, the agent log repeats this two lines (one at startup and the other every time I try to login):

HeartBeatEngine | Unable to find a valid network interface

<div>Client Account verification failed: authentication failure!!!</div><div></div>

(i tried both logging in opening the app after logging on chrome and copying the link code and clicking on the app itself)

(restarting the service with

sc stop Fing.Agent
sc start Fing.Agent

didn't fix it, reinstalling the program didn't fix it)

sc query npf

returns this:

<div>NOME_SERVIZIO: npf
<span style="background-color: transparent; color: inherit; font-size: inherit; font-family: "Open Sans", HelveticaNeue-Light, "Segoe UI", "Helvetica Neue", Helvetica, Raleway, Arial, sans-serif;">TIPO&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;: 1&nbsp; KERNEL_DRIVER
</span><span style="background-color: transparent; color: inherit; font-size: inherit; font-family: "Open Sans", HelveticaNeue-Light, "Segoe UI", "Helvetica Neue", Helvetica, Raleway, Arial, sans-serif;">STATO&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; : 4&nbsp; RUNNING</span><span style="background-color: transparent; color: inherit; font-size: inherit; font-family: "Open Sans", HelveticaNeue-Light, "Segoe UI", "Helvetica Neue", Helvetica, Raleway, Arial, sans-serif;">&nbsp; 
                     (STOPPABLE, NOT_PAUSABLE, IGNORES_SHUTDOWN)
</span><span style="background-color: transparent; color: inherit; font-size: inherit; font-family: "Open Sans", HelveticaNeue-Light, "Segoe UI", "Helvetica Neue", Helvetica, Raleway, Arial, sans-serif;">CODICE_USCITA_WIN32&nbsp; &nbsp; : 0&nbsp; (0x0)
</span><span style="background-color: transparent; color: inherit; font-size: inherit; font-family: "Open Sans", HelveticaNeue-Light, "Segoe UI", "Helvetica Neue", Helvetica, Raleway, Arial, sans-serif;">CODICE_USCITA_SERVIZIO : 0&nbsp; (0x0)
</span><span style="background-color: transparent; color: inherit; font-size: inherit; font-family: "Open Sans", HelveticaNeue-Light, "Segoe UI", "Helvetica Neue", Helvetica, Raleway, Arial, sans-serif;">PUNTO_CONTROLLO&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; : 0x0
</span><span style="background-color: transparent; color: inherit; font-size: inherit; font-family: "Open Sans", HelveticaNeue-Light, "Segoe UI", "Helvetica Neue", Helvetica, Raleway, Arial, sans-serif;">INDICAZIONE_ATTESA&nbsp; &nbsp; &nbsp;: 0x0</span></div>

Robin_Ex_Fing · June 26, 2020

Hi @MartinoP
If possible please uninstall the older version of WinPcap and then uninstall the Fing desktop and install the latest version of Win10Pcap from here and then install the Fing desktop and then check if the issue persists?

MartinoP · June 26, 2020

But the page says that WinPcap is not supported on Windows 10 and that I should use Npcap instead..

Robin_Ex_Fing · July 3, 2020

MartinoP said:

But the page says that WinPcap is not supported on Windows 10 and that I should use Npcap instead..

You can install the Npcap or instal Win10Pcap from here: http://www.win10pcap.org/. Both should work

Authentication Failed! Try with another link or check your connection!

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