When starting TeamViewer, it very often hangs.
I created a dump in the task manager so the developers can hopefully fix this bug:
[removed per Community Guidelines]
Hi @Sander_Bouwhuis ,
Thanks for reaching out to our Community!
When you say "when starting TeamViewer, it very often hangs" do you mean the TeamViewer service closes, or the remote session closes right after connecting with a partner?
Also, what is the OS you're using?
I'm looking forward to your reply. 🙋♀️
Best, Carol
Sorry, I do these steps:
Thanks a lot for the additional detail!
A lot of changes happened with the new UI, maybe an old file is the cause of the crash.
Therefore, try to uninstall TeamViewer using our advanced uninstall instructions, and then download it again from our website (follow the instructions on the screen for the installation).
Please let us know if it fixes the issue, or if the problem persists.
@Sander_Bouwhuis Is it the TeamViewer.exe process which uses one CPU 100%? It would be great if you could provide a CPU based dump using procdump with these steps:
1) Download procdump from ProcDump - Sysinternals | Microsoft Learn
2) Unzip it, open an elevated command prompt and navigate to the folder
3) Execute "procdump -w -c 80 -u -n 10 -s 3 TeamViewer.exe"
4) procdump waits now for the high CPU usage
5) Reproduce the problem ... when TeamViewer starts using the one CPU procdump should write dumps every ~3 seconds
6) Sends these dumps to us (in form of a ticket submitted to support)
As I already said, it's not TeamViewer.exe, but it is msedgewebview2.exe (which TeamViewer uses).
Here is an example where TeamViewer was already hanging for 1.5 minutes on startup when I made the screenshots and the dump file.
Here is the dump file (I uploaded it to Mega because your forum doesn't support large files) :
Thanks for the info. There is a problem during startup of WebView2 (aka msedgewebview2), not directly related to TeamViewer.
There are some options for analysis.
1) First, can you make a dump of the High-CPU process and would you be fine if we would forward that to Microsoft in case we don't get it resolved?
2) We know that some Anti-Malware applications can cause problems with msedgewebview2.exe processes. Do you have a special Anti-Malware active on your system and could it be deactivated temporarily (or could msedgewebview2.exe be excluded)?
3) One more thing that might help is reinstallation of WebView2 in case your Windows is <11. You can uninstall in Apps & features:
After uninstallation you can run the TeamViewer installer once more which then downloads & installs the most current version of WebView2.