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A while ago I installed Steam on my Mac... It was a failed attempt as my computer is way too slow to play Portal, so I uninstalled it using AppZapper (I believe). I was doing some computer maintenance and took a look through my logs; I noticed that every ten seconds in console I get this:

Sender[PID]

com.apple.launchd.peruser.501[90]

Message

(com.valvesoftware.steam.ipctool[nnn]) posix_spawn("/Applications/Steam.app/Contents/MacOS/osx32/ipcserver", ...): No Such File or Directory

(com.valvesoftware.steam.ipctool[nnn]) Exited with Code: 1

(com.valvesoftware.steam.ipctool) Throttling Respawn: Will start in 10 seconds

Obviously, Steam is still sending some command, but it fails each time as the folder is not there. How can I find where this command is coming from, and how to delete whatever is causing it?

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See superuser.com/questions/121355/… as well. – Chealion Jul 19 '10 at 21:29
up vote 0 down vote accepted

You can check through this list of directories (see "man launchd.plist"):

 ~/Library/LaunchAgents         Per-user agents provided by the user.
 /Library/LaunchAgents          Per-user agents provided by the administrator.
 /Library/LaunchDaemons         System-wide daemons provided by the administrator.
 /System/Library/LaunchAgents   Per-user agents provided by Mac OS X.
 /System/Library/LaunchDaemons  System-wide daemons provided by Mac OS X.

You might find some files there related to your steam application. I hope this points you in the right direction. I don't know off hand the correct/best way to fix the problem once you find the file(s).

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Yep, this is it! I actually found it myself just a second ago. It was a LaunchDaemon that appzapper failed to delete; deleting it solved the problem. I also cleaned out a few other obsolete ones that were kickin' around in there. Cheers! – jam Jul 19 '10 at 19:36
    
To unload/stop a launchd job run launchctl stop <label> or launchctl unload <path to plist> – Chealion Jul 19 '10 at 21:30

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