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An unexpected error occurred: write EPIPE #3082

@truebest

Description

@truebest

Hi Mux Team,

I faced with an annoying issue:
The desktop AppImage shows an Application Error dialog with the message:

An unexpected error occurred: write EPIPE

This happens in the desktop app and triggers an error popup that repeats indefinitely.

Error Message

write EPIPE

Screenshot

Application Error screenshot

Environment

$ uname -a
Linux hpms 6.17.0-19-generic #19~24.04.2-Ubuntu SMP PREEMPT_DYNAMIC Fri Mar  6 23:08:46 UTC 2026 x86_64 x86_64 x86_64 GNU/Linux

$ uname -r
6.17.0-19-generic

$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description:    Ubuntu 24.04.4 LTS
Release:        24.04
Codename:       noble

Currently i have mux-0.22.1-nightly.3-x86_64.AppImage but it also appears on prev releases
I'm running it in --no-sandbox mode

it seems this happens when the screen goes blank in 10 mins of inactivity, but my system doesn't allow any suspend/sleep modes, only screen off.

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