slow macbook pro, EtreCheck report

Hello,

I'm having problems with my slow MacBook Pro. I already know that the battery is not Ok, but can't understand what should I do to increase performance again.

EtreCheck report below, couldn`t get exactely the meaning of that...

Is it possible to someone to help me solve this?

Thanks in advance!

Problem description:

slow mac

EtreCheck version: 2.2 (132)

Report generated 4/21/15 4:30 PM

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, Early 2011) (Technical Specifications)

MacBook Pro - model: MacBookPro8,1

1 2.3 GHz Intel Core i5 CPU: 2-core

4 GB RAM

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

Battery: Health = Check Battery - Cycle count = 221 - SN = 9G11504UTD3MA

Video Information: ℹ️

Intel HD Graphics 3000 - VRAM: 384 MB

Color LCD 1280 x 800

System Software: ℹ️

Mac OS X 10.6.8 (10K549) - Time since boot: 0:44:20

Disk Information: ℹ️

Hitachi HTS545032B9A302 disk0 : (298,09 GB)

- (disk0s1) <not mounted> : 210 MB

Macintosh HD (disk0s2) / : 319.73 GB (44.31 GB free)

MATSHITADVD-R UJ-898

USB Information: ℹ️

Apple Inc. FaceTime HD Camera (Built-in)

Apple Inc. Apple Internal Keyboard / Trackpad

Apple Inc. BRCM2070 Hub

Apple Inc. Bluetooth USB Host Controller

Apple Computer, Inc. IR Receiver

Thunderbolt Information: ℹ️

Apple, Inc. MacBook Pro

Kernel Extensions: ℹ️

/Applications/Extras/WD +TURBO Installer.app

[not loaded] com.wdc.driver.1394.64.10.9 (1.0.1 - SDK 10.9) [Click for support]

[not loaded] com.wdc.driver.1394HP (1.0.11 - SDK 10.4) [Click for support]

[not loaded] com.wdc.driver.1394_64HP (1.0.1 - SDK 10.6) [Click for support]

[not loaded] com.wdc.driver.USB-64HP (1.0.3) [Click for support]

[not loaded] com.wdc.driver.USB.64.10.9 (1.0.1 - SDK 10.9) [Click for support]

[not loaded] com.wdc.driver.USBHP (1.0.14) [Click for support]

Problem System Launch Daemons: ℹ️

[not loaded] org.samba.winbindd.plist [Click for support]

Launch Daemons: ℹ️

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

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

User Launch Agents: ℹ️

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

User Login Items: ℹ️

Google Chrome Aplicativo (/Applications/Google Chrome.app)

WDDriveUtilityHelper Aplicativo (/Applications/WD Drive Utilities.app/Contents/WDDriveUtilityHelper.app)

RealPlayer Downloader Agent Aplicativo (/Users/[redacted]/Library/Application Support/RealNetworks/RealPlayer Downloader Agent.app)

Internet Plug-ins: ℹ️

OVSHelper: Version: 1.1 [Click for support]

Unity Web Player: Version: UnityPlayer version 5.0.1f1 - SDK 10.6 [Click for support]

Flip4Mac WMV Plugin: Version: 2.3.8.1 [Click for support]

RealPlayer Plugin: Version: Unknown [Click for support]

Silverlight: Version: 4.0.51204.0 [Click for support]

FlashPlayer-10.6: Version: 16.0.0.305 - SDK 10.6 [Click for support]

DivXBrowserPlugin: Version: 2.1 [Click for support]

Flash Player: Version: 16.0.0.305 - SDK 10.6 Outdated! Update

QuickTime Plugin: Version: 7.6.6

iPhotoPhotocast: Version: 7.0 - SDK 10.7

SharePointBrowserPlugin: Version: 14.4.6 - SDK 10.6 [Click for support]

JavaAppletPlugin: Version: 13.9.8 - SDK 10.6 Check version

User internet Plug-ins: ℹ️

npsf_uni: Version: sf 3.3.2.1 [Click for support]

Safari Extensions: ℹ️

DivX Plus Web Player HTML5 <video>

Audio Plug-ins: ℹ️

iSightAudio: Version: 7.6.6

3rd Party Preference Panes: ℹ️

DivX [Click for support]

Flash Player [Click for support]

Flip4Mac WMV [Click for support]

Time Machine: ℹ️

Time Machine information requires OS X 10.7 "Lion" or later.

Top Processes by CPU: ℹ️

3% launchd(2)

2% WindowServer

0% fontd

0% Google Chrome

0% RealPlayer Downloader Agent

Top Processes by Memory: ℹ️

1.02 GB Google Chrome Helper(7)

184 MB Google Chrome

115 MB mds

41 MB WindowServer

29 MB mdworker(2)

Virtual Memory Information: ℹ️

1.16 GB Free RAM

2.84 GB Used RAM

0 B Swap Used

Diagnostics Information: ℹ️

Apr 21, 2015, 03:45:07 PM Self test - passed