New subject: [Bug 58405] Steam: Doesn't request installation for Mono or Gecko and unable to open

21 Jun 2025


      http://bugs.winehq.org/show_bug.cgi?id=58405
Bug ID: 58405
           Summary: Steam: Doesn't request installation for Mono or Gecko
                    and unable to open
           Product: Wine
           Version: 5.0
          Hardware: x86-64
                OS: MacOS
            Status: UNCONFIRMED
          Severity: major
          Priority: P2
         Component: -unknown
          Assignee: wine-bugs@winehq.org
          Reporter: pocowit878@finfave.com
Created attachment 78812
  --> http://bugs.winehq.org/attachment.cgi?id=78812
The backtrace file for the new instance where this error was repeated.
I installed a clean installation of Wine for all users on my mac and I was
installing Steam. The installation of Steam seemed to work fine (without any
pop-ups for Mono or Gecko even though I wanted to install them) but when Steam
ran automatically, it said it wasn't supported for my os, so I changed it from
Windows 7 to Windows 10 in the Wine settings, and ran Steam.exe from: Program
Files (x86) -> Steam -> Steam.exe. After taking a while, Wine encountered a
program error: "The program (unidentified) has encountered serious issues and
needs to close. We are sorry for the inconvenience." I wasn't able to save the
backtrace log as Steam re-opened to an error page. On this page it stated:
"steamwebhelper, a critical Steam component, is not responding. The Steam UI
will not be usable. Click [here
(https://help.steampowered.com/en/faqs/view/6C3E-9504-CC20-AF49) ] for more
information. | Let's try to help: (options available were:) Restart Steam;
Restart Steam with GPU Acceleration disabled; Restart Steam with Browser
Sandboxing disabled; Restart steamwebhelper; Exit Steam" The GPU Acceleration
disabling option didn't work, I assume 'browsing' doesn't work since Mono and
Gecko aren't installed, and Restart steamwebhelper didn't load anything, even
after 10 mins. I am very confused. I even installed Mono myself after this and
tried again but still no luck, unfortunately. Link to download the Wine version
I used (5.0):
https://dl.winehq.org/wine-builds/macosx/pool/winehq-stable-5.0.pkg
I'm on macOS 10.13, so unfortunately I can't use a newer Wine version. I've
also double checked that I have the latest version of XQuartz and have
installed the 64-bit support for Wine. After reproducing this error, I saved a
new backtrace log (I'm not sure if it's attached, though).
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[Bug 58405] New: Steam: Doesn't request installation for Mono or Gecko and unable to open