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Juniper Network Connect Error: nc.windows.app.23787 - Cannot start the Network Connect service. Please re-install

Posted on 2011-02-21
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Last Modified: 2016-07-25
I'm using a PC with Win 7 ultimate and when trying to connect to a Network Connect page, after Host Checker is executed, then that error happens.
What I've done so far

Clean cache, cookies, etc.
Clean uninstall and reinstall it
Deactivate Comodo FW and activate Win 7 FW
Try to restart service

You can find attached the Network Connect logs

I have a laptop with same OS and firewall (Comodo), and on the same network has no issues.

Any ideas?

Thanks

Walter
Network-Connect-6.5.0.zip
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Question by:ISUY
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by:deimark
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If I recall, that is a generic windows error and can apply to a few different reasons however, I have had a look at the Juniper KB and can see the following:


Summary:
When users try to launch Network Connect they get an error "cannot start the network connect service, please reinstall network connect" error nc.windows.app.23787

Problem or Goal:
This behavior can occur if the Network Connect service is disabled or if the service is disabled for the hardware profile that you are currently using.

Solution:
Try uninstalling Network Connect from computers add/remove programs and launch to see if it fixes the problem.
If the above does not help then try the following steps on the clients computer:
 

    Click Start, point to Programs, point to Administrative Tools, and then click Services.
    Double-click the service that did not start.
    Click the Log On tab.
    Verify that the service has not been disabled for the hardware profile that you are using. If it has, click Enable.
    Click the General tab. Verify that the service has not been disabled in the Startup Type box. If it has, click Automatic to have it start when you start the computer.

Re-establish Network Connect session.
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Author Comment

by:ISUY
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Hi all:

Can someone help me out?? :)

Thanks
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by:deimark
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If the below does not help:

Click Start, point to Programs, point to Administrative Tools, and then click Services.
    Double-click the service that did not start.
    Click the Log On tab.
    Verify that the service has not been disabled for the hardware profile that you are using. If it has, click Enable.
    Click the General tab. Verify that the service has not been disabled in the Startup Type box. If it has, click Automatic to have it start when you start the computer.

Re-establish Network Connect session.


Then I would suggest raising a case with JTAC as the issue will be local that particular machine, perhaps hardware/software interactions.
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Author Comment

by:ISUY
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Hi Deimark:

I thought I've replied back your first post. Sorry about that.

I've checked and service is on Automatic state, but do not get enabled.

Thanks
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Accepted Solution

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deimark earned 500 total points
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Have you tried a windows reinstall?

If yes, then JTAC is the way ahead sadly as they will have a more detailed knowledge of the interactions of the hardware and software here.

Take note though, one of the 1st things they will ask you to do is likely to be reinstall windows.
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Author Comment

by:ISUY
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I will have to try.... but that will have a big impact... I'll see what I can do...
Thanks!

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Author Comment

by:ISUY
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please close this question
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Author Closing Comment

by:ISUY
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may be
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Expert Comment

by:trivin
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I lost several days about this problem.

The solution is, check your public folders.  I had the public folder, but it was empty, there was only one folder of juniper.
I fill it with the contents of a public folder of another computer.  And it works!  No need to reinstall.

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Author Comment

by:ISUY
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Hi

Where the Public folders are located?
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Expert Comment

by:trivin
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in the users folder.
There should be, Public, Default, and your own profile.
When the public folder is empty, then it wont work.
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Expert Comment

by:Member_2_7969195
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I have had the same problem, I have realized that Juniper Network Connect Service was not started, It was desabled, so I have gone to windows services on "services.msc" and I have made it abble, and it has solved my problem. =)
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