Cheers for getting back to me.
Here is the data from Etrecheck
EtreCheck version: 3.0.6 (315)
Report generated 2016-10-25 12:49:14
Download EtreCheck from https://etrecheck.com
Runtime 3:11
Performance: Good
Click the [Support] links for help with non-Apple products.
Click the [Details] links for more information about that line.
Problem: No problem - just checking
Hardware Information:ⓘ
MacBook Pro (15-inch, Early 2011)
[Technical Specifications] - [User Guide] - [Warranty & Service]
MacBook Pro - model: MacBookPro8,2
1 2.2 GHz Intel Core i7 CPU: 4-core
16 GB RAM Upgradeable - [Instructions]
BANK 0/DIMM0
8 GB DDR3 1333 MHz ok
BANK 1/DIMM0
8 GB DDR3 1333 MHz ok
Bluetooth: Old - Handoff/Airdrop2 not supported
Wireless: en1: 802.11 a/b/g/n
Battery: Health = Normal - Cycle count = 1056
Video Information:ⓘ
Intel HD Graphics 3000
Color LCD 1440 x 900
AMD Radeon HD 6750M - VRAM: 1024 MB
System Software:ⓘ
macOS Sierra 10.12.1 (16B2555) - Time since boot: about 13 hours
Disk Information:ⓘ
ST1000LM014-1EJ164 disk0 : (1 TB) (Rotational)
EFI (disk0s1) <not mounted> : 210 MB
Recovery HD (disk0s3) <not mounted> [Recovery]: 650 MB
Macintosh HD (disk1) / [Startup]: 998.97 GB (335.43 GB free)
Core Storage: disk0s2 999.35 GB Online
MATSHITADVD-R UJ-8A8 ()
USB Information:ⓘ
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:ⓘ
Apple Inc. thunderbolt_bus
Gatekeeper:ⓘ
Mac App Store and identified developers
Kernel Extensions:ⓘ
/Applications/DiskWarrior.app
[not loaded] com.alsoft.Preview (5.0 - SDK 10.5 - 2014-12-02) [Support]
/Applications/Kies.app
[not loaded] com.devguru.driver.SamsungACMControl (1.4.25 - SDK 10.6 - 2015-01-27) [Support]
[not loaded] com.devguru.driver.SamsungACMData (1.4.25 - SDK 10.6 - 2015-01-27) [Support]
[not loaded] com.devguru.driver.SamsungComposite (1.4.25 - SDK 10.6 - 2015-01-27) [Support]
[not loaded] com.devguru.driver.SamsungMTP (1.4.25 - SDK 10.5 - 2015-01-27) [Support]
[not loaded] com.devguru.driver.SamsungSerial (1.4.25 - SDK 10.6 - 2015-01-27) [Support]
/Applications/MacX Video Converter Pro.app
[not loaded] com.macxdvd.driver.goodSysAudioCapture (1.0 - SDK 10.10 - 2015-09-16) [Support]
/Applications/Parallels Desktop.app
[not loaded] com.parallels.kext.hypervisor (12.0.2 41353 - SDK 10.9 - 2016-10-04) [Support]
[not loaded] com.parallels.kext.netbridge (12.0.2 41353 - SDK 10.9 - 2016-10-04) [Support]
[not loaded] com.parallels.kext.usbconnect (12.0.2 41353 - SDK 10.9 - 2016-10-04) [Support]
[not loaded] com.parallels.kext.vnic (12.0.2 41353 - SDK 10.9 - 2016-10-04) [Support]
/Applications/TechTool Pro 7.app
[not loaded] com.micromat.driver.spdKernel (1.0 - SDK 10.8 - 2015-01-27) [Support]
[not loaded] com.micromat.driver.spdKernel-10-8 (1.0 - SDK 10.8 - 2015-01-27) [Support]
/Applications/Toast 14 Titanium/Toast Audio Assistant.app
[not loaded] com.Cycling74.driver.Soundflower (1.6.7 - SDK 10.7 - 2016-07-04) [Support]
/Applications/Toast 14 Titanium/Toast Titanium.app
[not loaded] com.roxio.TDIXController (2.0 - 2016-07-04) [Support]
/Applications/Transmit.app
[not loaded] com.panic.TransmitDisk.transmitdiskfs (4.0.0 - SDK 10.5 - 2015-01-27) [Support]
/Library/Extensions
[loaded] at.obdev.nke.LittleSnitch (3.7 - SDK 10.11 - 2016-10-24) [Support]
[not loaded] com.caiaq.driver.NIUSBAudio2DJDriver (2.8.0 (R36) - SDK 10.9 - 2016-10-24) [Support]
[not loaded] com.caiaq.driver.NIUSBAudio4DJDriver (2.8.0 (R36) - SDK 10.9 - 2016-10-24) [Support]
[not loaded] com.caiaq.driver.NIUSBHardwareDriver (2.8.0 (R36) - SDK 10.9 - 2016-10-24) [Support]
[not loaded] com.caiaq.driver.NIUSBTraktorAudio2Driver (2.8.0 (R36) - SDK 10.9 - 2016-10-24) [Support]
[not loaded] com.caiaq.driver.NIUSBTraktorKontrolS4Driver (2.8.0 (R36) - SDK 10.9 - 2016-10-24) [Support]
[not loaded] com.caiaq.driver.NIUSBTraktorKontrolX1Driver (2.8.0 (R36) - SDK 10.9 - 2016-10-24) [Support]
System Launch Agents:ⓘ
[not loaded] 8 Apple tasks
[loaded] 161 Apple tasks
[running] 102 Apple tasks
System Launch Daemons:ⓘ
[not loaded] 38 Apple tasks
[loaded] 164 Apple tasks
[running] 101 Apple tasks
Launch Agents:ⓘ
[running] at.obdev.LittleSnitchUIAgent.plist (2016-09-14) [Support]
[not loaded] com.adobe.AAM.Updater-1.0.plist (2016-06-09) [Support]
[running] com.adobe.AdobeCreativeCloud.plist (2016-06-09) [Support]
[not loaded] com.teamviewer.teamviewer.plist (2016-05-02) [Support]
[not loaded] com.teamviewer.teamviewer_desktop.plist (2016-05-02) [Support]
[running] com.trusteer.rapport.rapportd.plist (2016-10-11) [Support]
[loaded] de.devolo.networkservice.notify.plist (2016-07-21) [Support]
Launch Daemons:ⓘ
[running] at.obdev.littlesnitchd.plist (2016-09-14) [Support]
[loaded] com.adobe.fpsaud.plist (2016-09-24) [Support]
[loaded] com.malwarebytes.HelperTool.plist (2016-10-08) [Support]
[loaded] com.microsoft.office.licensing.helper.plist (2010-08-25) [Support]
[loaded] com.microsoft.office.licensingV2.helper.plist (2015-08-30) [Support]
[running] com.paceap.eden.licensed.plist (2016-06-30) [Support]
[loaded] com.teamviewer.Helper.plist (2016-05-02) [Support]
[not loaded] com.teamviewer.teamviewer_service.plist (2016-05-02) [Support]
[running] com.trusteer.rooks.rooksd.plist (2016-10-11) [Support]
[running] de.devolo.networkservice.plist (2016-07-21) [Support]
User Launch Agents:ⓘ
[running] com.spotify.webhelper.plist (2016-06-20) [Support]
User Login Items:ⓘ
iTunesHelper Application (/Applications/iTunes.app/Contents/MacOS/iTunesHelper.app)
Dropbox Application (/Applications/Dropbox.app)
DiskWarriorDaemonStarter Application (/Applications/DiskWarrior.app/Contents/Helpers/DiskWarriorStarter.app)
Parallels Toolbox Application (/Applications/Parallels Toolbox.app)
Xperia Companion Agent Application Hidden (/Applications/Xperia Companion.app/Contents/Frameworks/Xperia Companion Agent.app)
NIHardwareAgent Application Hidden (/Library/Application Support/Native Instruments/Hardware/NIHardwareAgent.app)
Internet Plug-ins:ⓘ
AdobeExManDetect: AdobeExManDetect 1.1.0.0 - SDK 10.7 (2016-06-09) [Support]
FlashPlayer-10.6: 23.0.0.185 - SDK 10.9 (2016-10-20) [Support]
QuickTime Plugin: 7.7.3 (2016-10-24)
AdobePDFViewerNPAPI: 11.0.0 - SDK 10.6 (2012-09-24) [Support]
AdobePDFViewer: 11.0.0 - SDK 10.6 (2012-09-24) [Support]
AdobeAAMDetect: AdobeAAMDetect 2.0.0.0 - SDK 10.7 (2016-06-09) [Support]
Flash Player: 23.0.0.185 - SDK 10.9 (2016-10-20) [Support]
Flip4Mac WMV Plugin: 3.3.7.3 - SDK 10.7 (2016-06-26) [Support]
SharePointBrowserPlugin: 14.6.6 - SDK 10.6 (2016-08-02) [Support]
Silverlight: 5.1.50901.0 - SDK 10.6 (2016-10-21) [Support]
Safari Extensions:ⓘ
Evernote Web Clipper - Evernote Corp. - http://evernote.com (2016-10-19)
Open in Internet Explorer - Parallels - http://www.parallels.com (2016-10-04)
3rd Party Preference Panes:ⓘ
Flash Player (2016-09-24) [Support]
Flip4Mac WMV (2016-06-26) [Support]
Native Instruments USB Audio (2016-10-14) [Support]
Trusteer Endpoint Protection (2016-10-18) [Support]
Time Machine:ⓘ
Auto backup: YES
Volumes being backed up:
Macintosh HD: Disk size: 998.97 GB Disk used: 663.54 GB
Destinations:
Seagate 3TB [Local]
Total size: 3.00 TB
Total number of backups: 44
Oldest backup: 29/01/2015, 15:06
Last backup: 21/10/2016, 09:28
Size of backup disk: Excellent
Backup size 3.00 TB > (Disk size 998.97 GB X 3)
Top Processes by CPU:ⓘ
7% WindowServer
6% spindump
3% kernel_task
2% coresymbolicationd
2% devolonetsvc
Top Processes by Memory:ⓘ
1.38 GB softwareupdated
1.09 GB kernel_task
590 MB com.apple.WebKit.WebContent(4)
360 MB mds_stores
246 MB iTunes
Virtual Memory Information:ⓘ
4.87 GB Free RAM
11.00 GB Used RAM (4.58 GB Cached)
0 B Swap Used
Diagnostics Information:ⓘ
Oct 24, 2016, 11:05:00 PM Self test - passed
Oct 22, 2016, 05:34:15 PM /Library/Logs/DiagnosticReports/firefox_2016-10-22-173415_[redacted].cpu_resour ce.diag [Details]
/Applications/Firefox.app/Contents/MacOS/firefox