My steam won’t launch ever since I updated to Yosemite I don’t know what is going on.

Whenever I try to launch it, it says "Steam quit unexpectedly" I have tried redownloading it 5 times and have every software up to date. I also have tried

deleting all my steam files and it still doesn't work. Here is a screenshot:

I also downloaded a program called EtreCheck that checks for issues so here is what it found:

Problem description:

My steam won’t launch ever since I updated to Yosemite I don’t know what is going on

EtreCheck version: 2.0.10 (97)

Report generated November 2, 2014 at 11:27:34 AM EST

Hardware Information: ℹ️

MacBook Pro (13-inch, Late 2011) (Verified)

MacBook Pro - model: MacBookPro8,1

1 2.4 GHz Intel Core i5 CPU: 2-core

4 GB RAM Upgradeable

BANK 0/DIMM0

2 GB DDR3 1333 MHz ok

BANK 1/DIMM0

2 GB DDR3 1333 MHz ok

Bluetooth: Old - Handoff/Airdrop2 not supported

Wireless: en1: 802.11 a/b/g/n

Video Information: ℹ️

Intel HD Graphics 3000 - VRAM: 384 MB

Color LCD 1280 x 800

System Software: ℹ️

OS X 10.10 (14A389) - Uptime: 2:20:3

Disk Information: ℹ️

ST9500325ASG disk0 : (500.11 GB)

S.M.A.R.T. Status: Verified

EFI (disk0s1) <not mounted> : 210 MB

Recovery HD (disk0s3) <not mounted> [Recovery]: 650 MB

Macintosh HD (disk1) / [Startup]: 498.88 GB (350.08 GB free)

Core Storage: disk0s2 499.25 GB Online

MATSHITADVD-R UJ-8A8

USB Information: ℹ️

Apple Computer, Inc. IR Receiver

Apple Inc. FaceTime HD Camera (Built-in)

Apple Inc. Apple Internal Keyboard / Trackpad

Apple Inc. BRCM2070 Hub

Apple Inc. Bluetooth USB Host Controller

Thunderbolt Information: ℹ️

Apple Inc. thunderbolt_bus

Gatekeeper: ℹ️

Mac App Store and identified developers

Kernel Extensions: ℹ️

/Applications/Splashtop Streamer.app

[not loaded] com.splashtop.driver.SRXDisplayCard (1.6 - SDK 10.7) Support

[not loaded] com.splashtop.driver.SRXFrameBufferConnector (1.6 - SDK 10.7) Support

/Library/Application Support/Hotspot Shield

[not loaded] com.anchorfree.tun (1.1.1 - SDK 10.8) Support

/Library/Extensions

[loaded] com.logmein.hamachi (1.0.0) Support

/System/Library/Extensions

[loaded] com.Cycling74.driver.Soundflower (1.6.6 - SDK 10.6) Support

[loaded] net.telestream.driver.TelestreamAudio (1.1.0 - SDK 10.8) Support

Launch Agents: ℹ️

[not loaded] com.adobe.AAM.Updater-1.0.plist Support

[failed] com.adobe.AdobeCreativeCloud.plist Support

[failed] com.adobe.CS5ServiceManager.plist Support

[running] com.logmein.hamachimb.plist Support

[loaded] com.oracle.java.Java-Updater.plist Support

[not loaded] com.splashtop.streamer-for-root.plist Support

[running] com.splashtop.streamer-for-user.plist Support

Launch Daemons: ℹ️

[loaded] com.adobe.fpsaud.plist Support

[invalid?] com.adobe.SwitchBoard.plist Support

[loaded] com.anchorfree.ajaxserver.plist Support

[loaded] com.ea.origin.ESHelper.plist Support

[running] com.logmein.hamachi.plist Support

[loaded] com.oracle.java.Helper-Tool.plist Support

[loaded] com.oracle.java.JavaUpdateHelper.plist Support

[running] com.splashtop.streamer-daemon.plist Support

[loaded] com.splashtop.streamer-srioframebuffer.plist Support

[loaded] net.freemacsoft.LiteIcon.LIHelperTool.plist Support

User Launch Agents: ℹ️

[loaded] com.adobe.AAM.Updater-1.0.plist Support

[failed] com.akamai.single-user-client.plist Support

[loaded] com.divx.agent.postinstall.plist Support

[loaded] com.genieo.completer.download.plist Support

[loaded] com.genieo.completer.ltvbit.plist Support

[loaded] com.genieo.completer.update.plist Support

[failed] com.google.keystone.agent.plist Support

[invalid?] com.valvesoftware.steamclean.plist Support

[running] com.w0lf.cDock.plist Support

[invalid?] net.brockerhoff.QuayMenu.plist Support

User Login Items: ℹ️

Steam Application (/Applications/Steam.app)

iTunesHelper Application (/Applications/iTunes.app/Contents/MacOS/iTunesHelper.app)

Off-Helper UNKNOWN (missing value)

TotalFinder UNKNOWN (missing value)

uTorrent Application (/Applications/uTorrent.app)

Origin Application (/Applications/Origin.app)

Hotspot Shield UNKNOWN (missing value)

Genieo UNKNOWN (missing value)

Genieo UNKNOWN (missing value)

Genieo UNKNOWN (missing value)

VMware Fusion Start Menu UNKNOWN (missing value)

Genieo UNKNOWN (missing value)

CrossOver CD Helper UNKNOWN (missing value)

TuneupMyMac UNKNOWN (missing value)

Internet Plug-ins: ℹ️

AdobeAAMDetect: Version: AdobeAAMDetect 2.0.0.0 - SDK 10.7 Support

FlashPlayer-10.6: Version: 15.0.0.189 - SDK 10.6 Support

Default Browser: Version: 600 - SDK 10.10

Flash Player: Version: 15.0.0.189 - SDK 10.6 Support

OVSHelper: Version: 1.1 Support

DivXBrowserPlugin: Version: 2.2 Support

QuickTime Plugin: Version: 7.7.3

OfficeLiveBrowserPlugin: Version: 12.3.4 Support

Silverlight: Version: 5.1.20913.0 - SDK 10.6 Support

JavaAppletPlugin: Version: Java 7 Update 67 Check version

User Internet Plug-ins: ℹ️

SOEWebInstaller: Version: 1.0 - SDK 10.5 Support

NPRoblox: Version: 1, 2, 8, 25 - SDK 10.9 Support

Safari Extensions: ℹ️

GoPhoto.it

Omnibar

iTube Studio

Searchme

DivX Plus Web Player HTML5 <video>

OpenIE

3rd Party Preference Panes: ℹ️

Akamai NetSession Preferences Support

Flash Player Support

Java Support

Time Machine: ℹ️

Time Machine not configured!

Top Processes by CPU: ℹ️

11% LogMeIn Hamachi Menubar

0% syslogd

0% WindowServer

0% launchd

0% opendirectoryd

Top Processes by Memory: ℹ️

202 MB mds_stores

189 MB installd

133 MB com.apple.WebKit.WebContent

129 MB Finder

86 MB ocspd

Virtual Memory Information: ℹ️

417 MB Free RAM

2.18 GB Active RAM

417 MB Inactive RAM

1.14 GB Wired RAM

10.58 GB Page-ins

195 MB Page-outs