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Qbittorrent crashing ALL internet connections when it closes
Posted: Thu Jul 07, 2022 3:18 pm
by Wyrmnax
So... whenever i close my qbittorrent program, it closes ALL my opened internet connections.
Zoom call? Disconnected. Final Fantasy FXIV? looses connection. Any online game? Connection lost.
Any idea of what might be causing it? It happens every time I close the program.
Re: Qbittorrent crashing ALL internet connections when it closes
Posted: Fri Jul 08, 2022 9:27 am
by unseen19
Hi,
Nothing in the logs? I guess TCP stack reset or default GW change. The second may comes from a VPN connection configured
I suppose all connections come back a couple of second after?
Re: Qbittorrent crashing ALL internet connections when it closes
Posted: Fri Jul 08, 2022 10:11 am
by Wyrmnax
No, nothing in the logs. It happens as the program closes down.
Yes, connections come back a few seconds after, but the ones that were severed dont reconnect.
So stuff that autoreconnects when the connection change - like a skype call - auto reconnect after a few seconds. Things that don't - Like most games - don't
Re: Qbittorrent crashing ALL internet connections when it closes
Posted: Mon Jul 11, 2022 10:02 am
by unseen19
Do you use a VPN? Per application or global for the machine?
Monitoring the default route should tell it too ("route print" command).
The windows events tells more?
I guess this is the only device losing Internet access, no other behaves the same at the same moment?
Re: Qbittorrent crashing ALL internet connections when it closes
Posted: Mon Jul 11, 2022 12:16 pm
by Wyrmnax
No VPN here
Windows logs also tell me nothing. Nothing is logged.
No other devices loose access, it is localized.
Feels like ( And I know feels like is a really bad at helping diagnosis) that when qtorrent closes down it resets the internet connection of the whole pc when trying to close down whatever connections it had open for p2p
Re: Qbittorrent crashing ALL internet connections when it closes
Posted: Tue Jul 12, 2022 9:34 am
by unseen19
The VPN is out of the way as a possible cause, I'm still thinking about the TCP stack. If so a trace should be visible in event viewer>custom views>Administrative events
Anything related to TCP,DNS,GW, of NIC will add weight on this assumption. It may be something else of course (any software firewall or related) but with the info provided this is my best guess. A NIC driver update may help, as a reset of advanced setting. This last one is easy with this command
https://docs.microsoft.com/en-us/powers ... ver2022-ps
The more intel you can provide/discover, the best will be the help :p