Problem with connection

have a problem with TeamViewer connection to TV server.
How you can see I have normally working Internet Connection.
My Mobile TVApp is connecting properly but on PC I have problem.

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mLipok

I get answer from TeamViewer Support [support email address removed by moderator, as it no longer receives direct emails]

Can you please uninstall TeamViewer (Note: activate the option to delete all Settings of TeamViewer when you uninstall it) and delete all Reg entries for TeamViewer?
Please click on Windows with a right mouse click and go to “run” and type on regedit and accept.

Then navigate to 32 bit: HKEY_LOCAL_MACHINE\SOFTWARE\TeamViewer or 64 bit: HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\TeamViewer and HKEY_CURRENT_USER\Software\TeamViewer and delete all files related to TeamViewer.
Also please download a fresh Version of TeamViewer and install it as an administrator.
You can find all Versions of TeamViewer here: https://www.teamviewer.com/en/download/windows.aspx

After that please check that port 5938 (TCP) has been opened for outgoing connections.
This port is only used by few programs and does not usually pose a security risk.

Please also unblock the following URL:
*.teamviewer.com

I uninstall, edit registry, install again and problem is fixed.

Big thanks to the support team.

All comments

mLipok

I get answer from TeamViewer Support [support email address removed by moderator, as it no longer receives direct emails]

Can you please uninstall TeamViewer (Note: activate the option to delete all Settings of TeamViewer when you uninstall it) and delete all Reg entries for TeamViewer?
Please click on Windows with a right mouse click and go to “run” and type on regedit and accept.

Then navigate to 32 bit: HKEY_LOCAL_MACHINE\SOFTWARE\TeamViewer or 64 bit: HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\TeamViewer and HKEY_CURRENT_USER\Software\TeamViewer and delete all files related to TeamViewer.
Also please download a fresh Version of TeamViewer and install it as an administrator.
You can find all Versions of TeamViewer here: https://www.teamviewer.com/en/download/windows.aspx

After that please check that port 5938 (TCP) has been opened for outgoing connections.
This port is only used by few programs and does not usually pose a security risk.

Please also unblock the following URL:
*.teamviewer.com

I uninstall, edit registry, install again and problem is fixed.

Big thanks to the support team.

jonettabrownams

I have the same problem but my co-worker can log in just fine.

dyzcypul

Same Problem here. My Laptop connects fine, Desktop is not failing to contact server for login.

mLipok

This is a very problematic problem.
I only have it on one PC. It does not always occur. Nothing is changed (Firewall, AV, IP configuration).
But from time to time, the problem simply arises and it irritates me very much.

I would like to have the opportunity to check what is going on.

mLipok

I just post an issue report to officiall helpdesk, together with SupportCollector logs.

Soon I will see what TV HelpDesk say.
If this issue will be fixed I describe solution here.

mLipok

This problem back again.

The interesting observation is that when I close TV APP and open TV QuickSupport then, connection is estabilized with out any problem.

Why standard TV APP have problem but QS connect properly ?

EDIT: anybody could confirm the same issue ?

EDIT 2:
Also TeamViewer Portable works fine, but not the installed version

DavidWillcock

We have this problem with over 200 clients. the uninstall / reg edit isn't a workable solution!

mLipok

Did you try and do you can confirm that QS or Portable do not have the problem?
Only standard app ?

JoseC3

I connected to my office PC with my laptop with Teamviewer and then I signed off. Now I am signing in with Teamviewer from my desktop to access my office PC and it is telling me that I cannot access my office PC as I have reached the number of maximum users. I am the only one signing it and I have signed off already from my laptop. It seems that Teamviewer thinks that my laptop is still signed in. What should I do?