I have a problem that, for whatever reason, causes my wireless adapter to disconnect completely from the computer and reconnect after a short while. If this occurs while I'm downloading a game through Steam (the dis-/reconnecting problem happens fairly often), Steam crashes outright and without any error message. The fact that I have to manually re-open Steam after a crash is a real pain, because it prevents me from being able to download larger games like GTA IV and Fallout: New Vegas overnight, at a time when I can consume the entirety of the bandwidth.

I can't run out and go drop $15 on a new adapter right now, so is there some way I can prevent Steam from crashing when it loses connection, in the meantime?

1 Answer 1


I recommend a complete refresh of your installation, because Steam should not crash if you lose connection:


  • Completely exit the Steam client.
  • Open the run dialogue by pressing windows key + r (you can also navigate here from the start menu by typing run).
  • Type steam://flushconfig then press enter. (If asked to allow this website to open a program, please click Allow or OK).
  • Restart your computer.
  • Now, launch Steam directly from the installation folder, not from a pre-existing shortcut (~C:\program files (x86)\Steam).
  • The Steam application will either appear as Steam or Steam.exe depending on whether your settings show file extensions.

If this does not help, there is more wrong than just your wifi adapter. I have wireless too and if mine is disconnecting for whatever reason, Steam just stops downloading.

As a further workaround, you can use this batch script:

 REM Do not display commands
 @echo off

REM Loop Marker

echo Looking for Steam
tasklist /FI "IMAGENAME eq steam.exe" 2>NUL | find /I /N "steam.exe">NUL
if "%ERRORLEVEL%"=="0" (
    echo Steam is running
) else (
    echo Restarting Steam
    start steam://run

echo Waiting...
ping -n 1 -w 5000 > nul

REM Looping
goto :while1

Put it on your desktop in a textfile and save it as "check_steam.cmd" and run it before you leave your computer. Make sure you have fileendings on, so you really remove the .txt ending and save it as .cmd. The icon should change to a window with some cogs.

It simply checks if Steam is running and if not, it relaunches it. You can cancel the script at any time by pressing Ctrl-C in the black window that it opens and answering the question with Y.

For further problems with your computer that do not involve any gaming related software, I recommend asking on superuser, which is a site of Stack Exchange.

  • Why the downvotes? Dec 31, 2013 at 14:25
  • Still working on the root problem, but the flushconfig command and the batch file are useful. Answers the question thoroughly, accepted. :) Thanks for the suggestions.
    – ChaoticWeg
    Jan 1, 2014 at 18:22

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