macbook is running slow despite updated ios

my macbook has been running very slow for the last few month. I have updated my ios, have lots of disk space free and don't usually have lots of programs running in the background and yet it is very slow. What should I do? I ran an EtreSoft check and this is what it returned, but I don't know what it means.

Can someone help me?

Problem description:

macbook pro is running very slow

EtreCheck version: 2.1.8 (121)

Report generated April 16, 2015 7:11:40 PM EDT

Download EtreCheck from http://etresoft.com/etrecheck

Click the [Click for support] links for help with non-Apple products.

Click the [Click for details] links for more information about that line.

Hardware Information: ℹ️

MacBook Pro (13-inch, Mid 2012) (Technical Specifications)

MacBook Pro - model: MacBookPro9,2

1 2.5 GHz Intel Core i5 CPU: 2-core

4 GB RAM

BANK 0/DIMM0

2 GB DDR3 1600 MHz ok

BANK 1/DIMM0

2 GB DDR3 1600 MHz ok

Bluetooth: Good - Handoff/Airdrop2 supported

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

Battery Health: Normal - Cycle count 388

Video Information: ℹ️

Intel HD Graphics 4000 - VRAM: 512 MB

Color LCD 1280 x 800

System Software: ℹ️

OS X 10.8.5 (12F2518) - Time since boot: one day 7:58:2

Disk Information: ℹ️

APPLE HDD HTS545050A7E362 disk0 : (500.11 GB)

disk0s1 (disk0s1) <not mounted> : 210 MB

Macintosh HD (disk0s2) / : 499.25 GB (245.56 GB free)

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

HL-DT-ST DVDRW GS31N

USB Information: ℹ️

Apple Inc. FaceTime HD Camera (Built-in)

Apple Inc. Apple Internal Keyboard / Trackpad

Apple Computer, Inc. IR Receiver

Apple Inc. BRCM20702 Hub

Apple Inc. Bluetooth USB Host Controller

Thunderbolt Information: ℹ️

Apple Inc. thunderbolt_bus

Configuration files: ℹ️

/etc/hosts - Count: 15

Gatekeeper: ℹ️

Mac App Store and identified developers

Kernel Extensions: ℹ️

/System/Library/Extensions

[not loaded] com.haier.driver.evdo (1.0.6) [Click for support]

Startup Items: ℹ️

HWNetMgr: Path: /Library/StartupItems/HWNetMgr

HWPortDetect: Path: /Library/StartupItems/HWPortDetect

Startup items are obsolete in OS X Yosemite

Problem System Launch Agents: ℹ️

[failed] com.apple.AirPlayUIAgent.plist [Click for details]

[failed] com.apple.coreservices.appleid.authentication.plist [Click for details]

[failed] com.apple.pbs.plist [Click for details]

[failed] com.apple.printtool.agent.plist [Click for details]

[failed] com.apple.tccd.plist [Click for details]

Problem System Launch Daemons: ℹ️

[failed] com.apple.wdhelper.plist [Click for details]

Launch Agents: ℹ️

[not loaded] com.adobe.AAM.Updater-1.0.plist [Click for support]

[loaded] com.adobe.CS5ServiceManager.plist [Click for support]

[loaded] com.google.keystone.agent.plist [Click for support]

Launch Daemons: ℹ️

[loaded] com.adobe.fpsaud.plist [Click for support]

[not loaded] com.adobe.SwitchBoard.plist [Click for support]

[loaded] com.google.keystone.daemon.plist [Click for support]

[loaded] com.microsoft.office.licensing.helper.plist [Click for support]

User Launch Agents: ℹ️

[loaded] com.adobe.ARM.[...].plist [Click for support]

User Login Items: ℹ️

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

BitTorrent Application (/Applications/BitTorrent.app)

CE 100 Dialer Application (/Applications/CE 100 Dialer.app)

AdobeResourceSynchronizer Application Hidden (/Applications/Adobe Reader.app/Contents/Support/AdobeResourceSynchronizer.app)

Box Edit Application (/Users/[redacted]/Library/Application Support/Box/Box Edit/Box Edit.app)

Google Chrome Application Hidden (/Applications/Google Chrome.app)

Internet Plug-ins: ℹ️

FlashPlayer-10.6: Version: 17.0.0.169 - SDK 10.6 [Click for support]

QuickTime Plugin: Version: 7.7.1

Flash Player: Version: 17.0.0.169 - SDK 10.6 [Click for support]

o1dbrowserplugin: Version: 5.41.0.0 - SDK 10.8 [Click for support]

SharePointBrowserPlugin: Version: 14.0.0 [Click for support]

googletalkbrowserplugin: Version: 5.41.0.0 - SDK 10.8 [Click for support]

Silverlight: Version: 5.1.30317.0 - SDK 10.6 [Click for support]

JavaAppletPlugin: Version: 14.9.0 - SDK 10.7 Check version

User internet Plug-ins: ℹ️

Box Edit: Version: 1.2.17(341) - SDK 10.8 [Click for support]

Safari Extensions: ℹ️

Slick Savings [Adware! - Remove]

Ebay Shopping Assistant [Adware! - Remove]

Searchme [Adware! - Remove]

3rd Party Preference Panes: ℹ️

Flash Player [Click for support]

Growl [Click for support]

Time Machine: ℹ️

Time Machine not configured!

Top Processes by CPU: ℹ️

15% iTunes

10% (assistant_servic)

9% AddressBookSourceSync

6% Google Chrome

4% pbs

Top Processes by Memory: ℹ️

382 MB firefox

241 MB Google Chrome

56 MB mds

52 MB WindowServer

50 MB Google Chrome Helper

Virtual Memory Information: ℹ️

369 MB Free RAM

1.47 GB Active RAM

1.15 GB Inactive RAM

1.31 GB Wired RAM

9.67 GB Page-ins

3.27 GB Page-outs

Diagnostics Information: ℹ️

Apr 15, 2015, 11:11:39 AM Self test - passed