2012 macbook pro running slow

Hi, my 2012 macbook pro is running painfully slow from startup and has been doing so for a couple months now. I'm not very tech savvy and ran the suggested Etrecheck (results pasted below). Any suggestions/fixes would be greatly appreciated.

System Launch Daemons:

[Not Loaded] 37 Apple tasks

[Loaded] 190 Apple tasks

[Running] 106 Apple tasks

Launch Agents:

[Loaded] com.divx.dms.agent.plist (? 90291e60 - installed 2014-02-13)

[Loaded] com.avast.userinit.plist (? bb25154c - installed 2018-03-14)

[Running] com.avast.osx.secureline.update-agent.plist (AVAST Software a.s. - installed 2018-03-03)

[Loaded] com.avast.osx.secureline.userinit.plist (? 2fc1004f - installed 2018-03-03)

[Loaded] com.divx.update.agent.plist (? 4a2d5ecc - installed 2014-02-24)

[Running] com.citrix.ServiceRecords.plist (? 8e6543d - installed 2017-02-01)

[Loaded] com.citrix.AuthManager_Mac.plist (? 1ce99fae - installed 2017-02-01)

[Loaded] com.google.keystone.agent.plist (Google, Inc. - installed 2018-02-03)

[Running] com.gopro.stereomodestatus.plist (? ab93fe2f - installed 2012-10-15)

[Running] com.citrix.ReceiverHelper.plist (? bbfad3f1 - installed 2017-02-01)

[Not Loaded] com.oracle.java.Java-Updater.plist (? 0 - installed )

Launch Daemons:

[Loaded] com.avast.uninstall.plist (? 22f94791 - installed 2018-03-14)

[Loaded] com.avast.init.plist (? fc55b6fa - installed 2018-03-14)

[Loaded] com.avast.osx.secureline.init.plist (? 1bda83b1 - installed 2018-03-03)

[Loaded] com.adobe.fpsaud.plist (? 2afb3af7 - installed 2016-05-09)

[Loaded] com.microsoft.office.licensing.helper.plist (? 6d8cb30e - installed 2010-08-25)

[Not Loaded] com.oracle.java.Helper-Tool.plist (? 0 - installed )

[Loaded] com.google.keystone.daemon.plist (Google, Inc. - installed 2018-03-06)

[Loaded] com.citrix.ctxusbd.plist (? 44dc9c9f - installed 2017-02-01)

[Running] com.avast.osx.secureline.update.plist (? f50a649c - installed 2018-03-03)

[Loaded] com.avast.update.plist (? 5c6ac355 - installed 2018-03-14)

[Loaded] com.avast.osx.secureline.uninstall.plist (? ba7a0061 - installed 2018-03-03)

User Launch Agents:

[Loaded] com.avast.home.userinit.plist (? 0 - installed )

[Loaded] com.avast.osx.secureline.home.userinit.plist (? 0 - installed 2018-03-03)

User Login Items:

iTunesHelper Application (installed 2018-01-25)

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

6H4HRTU5E3.com.avast.osx.secureline.avastsecurelinehelper SMLoginItem (AVAST Software a.s. - installed 2018-03-01)

(/Applications/AvastSecureLine.app/Contents/Library/LoginItems/6H4HRTU5E3.com.av ast.osx.secureline.avastsecurelinehelper.app)

Internet Plug-ins:

o1dbrowserplugin: 5.41.3.0 (installed 2015-12-15)

OVSHelper: 1.1 (installed 2014-04-08)

Flip4Mac WMV Plugin: 3.2.0.16 (installed 2013-07-07)

Silverlight: 5.1.20125.0 (installed 2013-03-24)

FlashPlayer-10.6: 21.0.0.242 (installed 2016-05-12)

DivX Web Player: 3.1.1.9 (installed 2014-04-08)

PanasonicDrmPlugin_1: 1.2.1.0 (installed 2014-02-06)

QuickTime Plugin: 7.7.3 (installed 2018-02-01)

Flash Player: 21.0.0.242 (installed 2016-05-12)

CitrixICAClientPlugIn: 12.5.0 (installed 2017-05-12)

googletalkbrowserplugin: 5.41.3.0 (installed 2015-12-11)

SharePointBrowserPlugin: 14.1.0 (installed 2012-11-03)

WidevineMediaOptimizer: 6.0.0.12757 (installed 2014-06-09)

DirectorShockwave: 11.6.8r638 (installed 2012-10-03)

User Internet Plug-ins:

PanasonicDrmPlugin_3: 3.0.1.1 (installed 2015-07-22)

Google Earth Web Plug-in: 7.1 (installed 2013-10-07)

Safari Extensions:

wrc.safariextz - AVAST Software - http://www.avast.com (installed 2014-07-21)

3rd Party Preference Panes:

Cineform (installed 2012-10-15)

Flash Player (installed 2016-05-09)

Flip4Mac WMV (installed 2013-03-29)

Time Machine:

Time Machine Not Configured!

Top Processes by CPU:

Process (count) Source % of CPU

WindowServer Apple 17

kernel_task Apple 4

com.avast.daemon AVAST Software a.s. 1

Mail Apple 0

mdworker (6) Apple 0

Top Processes by Memory:

Process (count) Source RAM usage

kernel_task Apple 519 MB

system_profiler (2) Apple 229 MB

Google Chrome Helper (3) Google, Inc. 177 MB

Google Chrome Google, Inc. 135 MB

com.avast.daemon AVAST Software a.s. 109 MB

Top Processes by Network Use:

Process Source Input Output

com.avast.proxy AVAST Software a.s. 298 KB 4 KB

mDNSResponder Apple 198 KB 12 KB

com.avast.daemon AVAST Software a.s. 12 KB 5 KB

apsd Apple 7 KB 9 KB

Top Processes by Energy Use:

Process (count) Source Energy usage (0-100)

WindowServer Apple 5

syncdefaultsd Apple 0

Mail Apple 0

codesign Apple 0

com.apple.iCloudHelper Apple 0

Virtual Memory Information:

Available RAM 1.23 GB

Free RAM 54 MB

Used RAM 2.77 GB

Cached files 1.18 GB

Swap Used 2 MB

Clean up:

~/Library/LaunchAgents/com.avast.home.userinit.plist

~/Library/Application Support/Avast/hub/userinit.sh

Executable not found

Diagnostics Information (past 7 days):

2018-03-14 22:49:15 DMSLaunch.app Crash (once)

dyld: launch, loading dependent libraries

End of report