I had already run "Malwarebytes Anti-Malware" software but ran your suggested solution and got the following result;
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EtreCheck version: 3.0.2 (306)
Report generated 2016-08-26 19:55:34
Download EtreCheck from https://etrecheck.com
Runtime 2:27
Performance: Excellent
Problem: No problem - just checking
Hardware Information: ⓘ
MacBook Air
[Technical Specifications] - [User Guide] - [Warranty & Service]
MacBook Air - model: MacBookAir6,1
1 1.3 GHz Intel Core i5 CPU: 2-core
8 GB RAM Not upgradeable
BANK 0/DIMM0
4 GB DDR3 1600 MHz ok
BANK 1/DIMM0
4 GB DDR3 1600 MHz ok
Bluetooth: Good - Handoff/Airdrop2 supported
Wireless: en0: 802.11 a/b/g/n/ac
Battery: Health = Normal - Cycle count = 409
Video Information: ⓘ
Intel HD Graphics 5000
Color LCD 1366 x 768
System Software: ⓘ
OS X El Capitan 10.11.6 (15G31) - Time since boot: about 29 days
Disk Information: ⓘ
APPLE SSD TS0128F disk0 : (121.33 GB) (Solid State - TRIM: Yes)
EFI (disk0s1) <not mounted> : 210 MB
MBASSD (disk0s2) / : 120.47 GB (36.43 GB free)
Recovery HD (disk0s3) <not mounted> [Recovery]: 650 MB
USB Information: ⓘ
Apple Inc. BRCM20702 Hub
Apple Inc. Bluetooth USB Host Controller
Thunderbolt Information: ⓘ
Apple Inc. thunderbolt_bus
Gatekeeper: ⓘ
Mac App Store and identified developers
Kernel Extensions: ⓘ
/Applications/TechTool Protogo 4 [Deprecated; see TTP8]/Protogo Applications/TechTool Pro 7.app
[not loaded] com.micromat.driver.spdKernel (1.0 - SDK 10.8 - 2015-03-10) [Support]
[not loaded] com.micromat.driver.spdKernel-10-8 (1.0 - SDK 10.8 - 2015-03-10) [Support]
/Applications/Utilities/Disk Sensei.app
[not loaded] org.cindori.TrimEnabler (1.0 - SDK 10.10 - 2016-08-10) [Support]
~/Library/Application Support/Transmit/Transmit Disk.app
[not loaded] com.panic.TransmitDisk.transmitdiskfs (4.0.0 - SDK 10.6 - 2014-10-01) [Support]
System Launch Agents: ⓘ
[not loaded] 7 Apple tasks
[loaded] 142 Apple tasks
[running] 86 Apple tasks
[killed] 3 Apple tasks
3 processes killed due to insufficient RAM
System Launch Daemons: ⓘ
[not loaded] 45 Apple tasks
[loaded] 144 Apple tasks
[running] 95 Apple tasks
[killed] 6 Apple tasks
6 processes killed due to insufficient RAM
Launch Agents: ⓘ
[not loaded] com.oracle.java.Java-Updater.plist [Support]
[not loaded] com.teamviewer.teamviewer.plist (2015-10-25) [Support]
[not loaded] com.teamviewer.teamviewer_desktop.plist (2015-10-25) [Support]
Launch Daemons: ⓘ
[failed] com.adobe.fpsaud.plist (2016-04-16) [Support]
[loaded] com.bombich.ccchelper.plist (2015-02-26) [Support]
[loaded] com.malwarebytes.HelperTool.plist (2016-08-04) [Support]
[loaded] com.microsoft.office.licensing.helper.plist (2010-08-25) [Support]
[not loaded] com.oracle.java.Helper-Tool.plist [Support]
[loaded] com.teamviewer.Helper.plist (2015-01-15) [Support]
[not loaded] com.teamviewer.teamviewer_service.plist (2015-10-25) [Support]
[loaded] com.transcend.TSRecoverHandlerHelp.plist (2016-02-11) [Support]
[running] com.transcend.TSSleepHandlerHelp.plist (2016-02-11) [Support]
[loaded] com.transcend.TSTRIMHandlerHelp.plist (2016-02-11) [Support]
[loaded] org.cindori.CCAuth.plist (2015-03-14) [Support]
[loaded] org.cindori.SenseiTool.plist (2016-08-26) [Support]
[loaded] org.cindori.TEAuth.plist (2015-02-26) [Support]
User Launch Agents: ⓘ
[running] com.amazon.music.plist (2016-08-09) [Support]
[running] com.c-command.SpamSieve.LaunchAgent.plist (2016-08-26) [Support]
[loaded] com.google.keystone.agent.plist (2016-07-12) [Support]
User Login Items: ⓘ
Flux Application (/Applications/Utilities/Flux.app)
iTunesHelper Application (/Applications/iTunes.app/Contents/MacOS/iTunesHelper.app)
Dropbox Application (/Applications/Dropbox.app)
TransmitMenu Application (/Applications/Transmit.app/Contents/MacOS/TransmitMenu.app)
OpenDNS Updater Application Hidden (/Applications/Utilities/OpenDNS Updater.app)
TomTomHOMERunner Application Hidden (~/Library/Application Support/TomTom HOME/TomTomHOMERunner.app)
1Password Helper URL SMLoginItem (/Applications/1Password.app/Contents/Library/LoginItems/2BUA8C4S2C.com.agilebi ts.onepassword-osx-helper.app)
Internet Plug-ins: ⓘ
SharePointBrowserPlugin: 14.6.7 - SDK 10.6 (2016-08-24) [Support]
FlashPlayer-10.6: 21.0.0.226 - SDK 10.6 (2016-04-22) [Support]
QuickTime Plugin: 7.7.3 (2016-07-28)
Flash Player: 21.0.0.226 - SDK 10.6 (2016-04-22) Outdated! Update
Default Browser: 601 - SDK 10.11 (2016-07-28)
Safari Extensions: ⓘ
1Password - AgileBits - https://agilebits.com/onepassword (2016-01-21)
ClickToPlugin - Marc Hoyois - http://hoyois.github.com/safariextensions/clicktoplugin/ (2016-03-01)
Ghostery - GHOSTERY, Inc. - https://www.ghostery.com/ (2016-03-13)
3rd Party Preference Panes: ⓘ
Flash Player (2016-04-16) [Support]
Time Machine: ⓘ
Skip System Files: NO
Mobile backups: ON
Auto backup: YES
Volumes being backed up:
MBASSD: Disk size: 120.47 GB Disk used: 84.04 GB
Destinations:
Time Capsule [Local]
Total size: 999.86 GB
Total number of backups: 26
Oldest backup: 16/11/2015, 15:25
Last backup: 19/07/2016, 11:21
Size of backup disk: Excellent
Backup size 999.86 GB > (Disk size 120.47 GB X 3)
Top Processes by CPU: ⓘ
6% WindowServer
4% com.apple.WebKit.Networking(2)
4% com.apple.WebKit.WebContent(20)
3% SpotlightNetHelper
3% kernel_task
Top Processes by Memory: ⓘ
1.66 GB com.apple.WebKit.WebContent(20)
1.05 GB kernel_task
156 MB Safari
131 MB mds_stores
123 MB Mail
Virtual Memory Information: ⓘ
1.18 GB Free RAM
6.82 GB Used RAM (2.06 GB Cached)
387 MB Swap Used
Diagnostics Information: ⓘ
Aug 24, 2016, 03:37:55 PM ~/Library/Logs/DiagnosticReports/suggestd_2016-08-24-153755_[redacted].crash
/System/Library/PrivateFrameworks/CoreSuggestions.framework/Versions/A/Support/ suggestd
Aug 24, 2016, 08:52:36 AM /Library/Logs/DiagnosticReports/WindowServer_2016-08-24-085236_[redacted].crash
/System/Library/Frameworks/CoreGraphics.framework/Versions/A/Resources/WindowSe rver
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With thanks, Jules