Hello, my MacBook Pro (13-inch, Early 2011) shuts down unexpectedly and randomly, please help me out.

Below is the EtreCheck report:

***

EtreCheck version: 2.9.12 (265)

Report generated 2016-06-27 14:10:18

Download EtreCheck from https://etrecheck.com

Runtime 4:36

Performance: Good

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

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

Problem: Other problem

Description:

Macbook pro 2010 shut down unexpectedly

Hardware Information: ⓘ

MacBook Pro (13-inch, Early 2011)

[Technical Specifications] - [User Guide] - [Warranty & Service]

MacBook Pro - model: MacBookPro8,1

1 2.3 GHz Intel Core i5 CPU: 2-core

4 GB RAM Upgradeable - [Instructions]

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 = Replace Soon - Cycle count = 1791

Video Information: ⓘ

Intel HD Graphics 3000 - VRAM: 384 MB

Color LCD 1280 x 800

System Software: ⓘ

OS X Yosemite 10.10.2 (14C109) - Time since boot: less than an hour

Disk Information: ⓘ

Hitachi HTS545032B9A302 disk0 : (320.07 GB) (Rotational)

EFI (disk0s1) <not mounted> : 210 MB

OS (disk0s2) / : 159.52 GB (137.53 GB free)

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

DATA (disk0s4) /Volumes/DATA : 159.04 GB (12.51 GB free)

Recovery HD (disk0s5) <not mounted> [Recovery]: 650 MB

OPTIARC DVD RW AD-5970H ()

USB Information: ⓘ

Apple Computer, Inc. IR Receiver

Apple Inc. FaceTime HD Camera (Built-in)

Logitech USB Receiver

Apple Inc. BRCM2070 Hub

Apple Inc. Bluetooth USB Host Controller

Apple Inc. Apple Internal Keyboard / Trackpad

Thunderbolt Information: ⓘ

Apple Inc. thunderbolt_bus

Gatekeeper: ⓘ

Anywhere

Kernel Extensions: ⓘ

/System/Library/Extensions

[not loaded] com.marvell.kext.USBGenericPrinterClass (1.0.0 - 2016-02-22) [Support]

System Launch Agents: ⓘ

[not loaded] 5 Apple tasks

[loaded] 147 Apple tasks

[running] 52 Apple tasks

System Launch Daemons: ⓘ

[not loaded] 44 Apple tasks

[loaded] 139 Apple tasks

[running] 77 Apple tasks

Launch Agents: ⓘ

[loaded] com.google.keystone.agent.plist (2016-03-04) [Support]

[loaded] com.oracle.java.Java-Updater.plist (2015-03-26) [Support]

Launch Daemons: ⓘ

[loaded] com.google.keystone.daemon.plist (2016-03-04) [Support]

[loaded] com.microsoft.office.licensing.helper.plist (2010-08-25) [Support]

[loaded] com.oracle.java.Helper-Tool.plist (2015-03-26) [Support]

User Launch Agents: ⓘ

[loaded] com.citrixonline.GoToMeeting.G2MUpdate.plist (2015-04-17) [Support]

[running] com.hp.printerAgent.plist (2010-10-18) [Support]

User Login Items: ⓘ

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

SpeechSynthesisServer Application (/System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks /SpeechSynthesis.framework/Versions/A/SpeechSynthesisServer.app)

MacUpdate Desktop Application Hidden (/Applications/MacUpdate Desktop.app)

Other Apps: ⓘ

[running] com.etresoft.EtreCheck.74440

[running] com.google.Chrome.16788

[running] com.macupdate.desktop6.73872

[loaded] 367 Apple tasks

[running] 146 Apple tasks

Internet Plug-ins: ⓘ

QuickTime Plugin: 7.7.3 (2015-03-03)

Default Browser: 600 - SDK 10.10 (2015-03-03)

o1dbrowserplugin: 5.41.3.0 - SDK 10.8 (2016-02-21) [Support]

SharePointBrowserPlugin: 14.1.0 (2015-04-23) [Support]

googletalkbrowserplugin: 5.41.3.0 - SDK 10.8 (2015-12-11) [Support]

MeetingJoinPlugin: Unknown - SDK 10.2 (2016-03-16) [Support]

JavaAppletPlugin: Java 8 Update 40 (2015-03-26) Check version

User internet Plug-ins: ⓘ

CitrixOnlineWebDeploymentPlugin: 1.0.105 (2013-04-25) [Support]

3rd Party Preference Panes: ⓘ

Java (2015-03-13) [Support]

Time Machine: ⓘ

Skip System Files: NO

Auto backup: YES

Volumes being backed up:

OS: Disk size: 159.52 GB Disk used: 21.99 GB

Destinations:

DATA [Local]

Total size: 159.04 GB

Total number of backups: 81

Oldest backup: 2015-03-03, 12:49 PM

Last backup: 2016-06-27, 12:06 PM

Size of backup disk: Adequate

Backup size 159.04 GB > (Disk used 21.99 GB X 3)

Top Processes by CPU: ⓘ

30% Google Chrome Helper(9)

9% kernel_task

9% system_profiler(2)

4% Google Chrome

2% fontd

Top Processes by Memory: ⓘ

1.82 GB Google Chrome Helper(9)

325 MB kernel_task

188 MB Google Chrome

139 MB MacUpdate Desktop

94 MB mdworker(6)

Virtual Memory Information: ⓘ

138 MB Free RAM

3.86 GB Used RAM (286 MB Cached)

0 B Swap Used

Diagnostics Information: ⓘ

Jun 27, 2016, 01:42:40 PM Self test - passed

Jun 27, 2016, 01:09:21 PM /Library/Logs/DiagnosticReports/rpcsvchost_2016-06-27-130921_[redacted].cpu_res ource.diag [Details]

/usr/libexec/rpcsvchost

Jun 27, 2016, 12:33:29 PM /Library/Logs/DiagnosticReports/rpcsvchost_2016-06-27-123329_[redacted].cpu_res ource.diag [Details]

Jun 26, 2016, 11:52:52 PM /Library/Logs/DiagnosticReports/rpcsvchost_2016-06-26-235252_[redacted].cpu_res ource.diag [Details]

Jun 24, 2016, 04:53:53 PM /Library/Logs/DiagnosticReports/rpcsvchost_2016-06-24-165353_[redacted].cpu_res ource.diag [Details]