Thankyou for your reply - I have downloaded and run EtreCheck as you advised, the report is as follows:
EtreCheck version: 2.6.6 (226)
Report generated 02/12/2015 15:06
Runtime 4:03
Download EtreCheck from http://etrecheck.com
Click the [Click for support] links for help with non-Apple products.
Click the [Click for details] links for more information about that line.
Ignore known Apple failures: Disabled
Hardware Information: (What does this mean?)
Mac Pro (Early 2009)
[Click for Technical Specifications]
[Click for User Guide]
Mac Pro - model: MacPro4,1
2 2.26 GHz Quad-Core Intel Xeon CPU: 8-core
14 GB RAM Upgradeable
[Click for upgrade instructions]
DIMM 1
2 GB DDR3 ECC 1066 MHz ok
DIMM 2
2 GB DDR3 ECC 1066 MHz ok
DIMM 3
2 GB DDR3 ECC 1066 MHz ok
DIMM 4
1 GB DDR3 ECC 1066 MHz ok
DIMM 5
2 GB DDR3 ECC 1066 MHz ok
DIMM 6
2 GB DDR3 ECC 1066 MHz ok
DIMM 7
2 GB DDR3 ECC 1066 MHz ok
DIMM 8
1 GB DDR3 ECC 1066 MHz ok
Bluetooth: Old - Handoff/Airdrop2 not supported
Wireless: en2: 802.11 a/b/g/n
Video Information: (What does this mean?)
ATI Radeon HD 4870 - VRAM: 512 MB
Cinema HD Display 2560 x 1600
NVIDIA GeForce GT 120 - VRAM: 512 MB
Cinema HD 1920 x 1200
EA221WM 1680 x 1050 @ 60 Hz
System Software: (What does this mean?)
OS X Yosemite 10.10.5 (14F1021) - Time since boot: about 6 hours
Disk Information: (What does this mean?)
HL-DT-ST DVD-RW GH41N ()
HL-DT-ST DVD-RW GH41N ()
Hitachi HDE721010SLA330 disk0 : (1 TB) (Rotational)
EFI (disk0s1) <not mounted> : 210 MB
OS 10.6-01 (disk0s2) /Volumes/OS 10.6-01 : 999.86 GB (213.69 GB free)
HGST HDN724040ALE640 disk2 : (4 TB) (Rotational)
EFI (disk2s1) <not mounted> : 210 MB
Media files B (disk2s2) /Volumes/Media files B : 4.00 TB (2.95 TB free)
ST3000DM001-9YN166 disk3 : (3 TB) (Rotational)
EFI (disk3s1) <not mounted> : 210 MB
Mavericks (disk3s2) /Volumes/Mavericks : 3.00 TB (1.84 TB free)
Recovery HD (disk3s3) <not mounted> [Recovery]: 650 MB
HGST HDN724040ALE640 disk1 : (4 TB) (Rotational)
EFI (disk1s1) <not mounted> : 210 MB
Media files A (disk1s2) /Volumes/Media files A : 4.00 TB (1.88 TB free)
Samsung SSD 840 PRO Series disk4 : (512.11 GB) (Solid State - TRIM: No)
EFI (disk4s1) <not mounted> : 210 MB
Document master (disk4s2) /Volumes/Document master : 511.77 GB (436.21 GB free)
Samsung SSD 840 PRO Series disk5 : (512.11 GB) (Solid State - TRIM: No)
EFI (disk5s1) <not mounted> : 210 MB
Yosemite (disk5s2) / : 511.25 GB (443.59 GB free)
Recovery HD (disk5s3) <not mounted> [Recovery]: 650 MB
USB Information: (What does this mean?)
Western Digital Ext HDD 1021 2 TB
EFI (disk9s1) <not mounted> : 210 MB
Mavericks back-up (disk9s2) /Volumes/Mavericks back-up 3 : 2.00 TB (647.01 GB free)
Apple, Inc. Keyboard Hub
Apple, Inc Apple Keyboard
WIBU-SYSTEMS AG, www.wibu.com WIBU-BOX/U
Logitech USB Receiver
Apple Computer, Inc. Apple Cinema HD Display
Apple Inc. BRCM2046 Hub
Apple Inc. Bluetooth USB Host Controller
Seagate Backup+ Desk Mac 4 TB
EFI (disk8s1) <not mounted> : 315 MB
Media files backup 1 (disk8s2) /Volumes/Media files backup 1 : 4.00 TB (1.88 TB free)
Seagate Backup+ Desk Mac 4 TB
EFI (disk7s1) <not mounted> : 315 MB
Media files backup 2 (disk7s2) /Volumes/Media files backup 2 : 4.00 TB (2.95 TB free)
Firewire Information: (What does this mean?)
LaCie d2 quadra (button) 800mbit - 800mbit max
EFI (disk6s1) <not mounted> : 210 MB
Document back-up (disk6s2) /Volumes/Document back-up : 999.86 GB (917.93 GB free)
Gatekeeper: (What does this mean?)
Mac App Store and identified developers
Kernel Extensions: (What does this mean?)
/Applications/Toast 14 Titanium/Toast Audio Assistant.app
[not loaded] com.Cycling74.driver.Soundflower (1.6.7 - SDK 10.7) [Click for support]
/Library/Extensions
[loaded] com.Logitech.Control Center.HID Driver (3.9.1 - SDK 10.8) [Click for support]
/System/Library/Extensions
[not loaded] com.Logitech.Unifying.HID Driver (1.3.0 - SDK 10.6) [Click for support]
[not loaded] com.devguru.driver.SamsungComposite (1.4.32 - SDK 10.6) [Click for support]
[loaded] com.hzsystems.terminus.driver (4) [Click for support]
[not loaded] com.roxio.BluRaySupport (1.1.6) [Click for support]
/System/Library/Extensions/ssuddrv.kext/Contents/PlugIns
[not loaded] com.devguru.driver.SamsungACMControl (1.4.32 - SDK 10.6) [Click for support]
[not loaded] com.devguru.driver.SamsungACMData (1.4.32 - SDK 10.6) [Click for support]
[not loaded] com.devguru.driver.SamsungMTP (1.4.32 - SDK 10.5) [Click for support]
[not loaded] com.devguru.driver.SamsungSerial (1.4.32 - SDK 10.6) [Click for support]
/Volumes/Mavericks/Applications/DiskWarrior/DiskWarrior.app
[not loaded] com.alsoft.Preview (4.1.1) [Click for support]
/Volumes/Mavericks/Users/michaelrussell/Library/Services/ToastIt.service/Conten ts/MacOS
[not loaded] com.roxio.TDIXController (2.0) [Click for support]
Startup Items: (What does this mean?)
WkSvMacX: Path: /Library/StartupItems/WkSvMacX
Startup items are obsolete in OS X Yosemite
System Launch Agents: (What does this mean?)
[running] com.apple.Spotlight.plist - Invalid signature!
[failed] com.apple.mrt.uiagent.plist
[loaded] com.apple.systemprofiler.plist - Invalid signature!
System Launch Daemons: (What does this mean?)
[loaded] com.apple.FileSyncAgent.sshd.plist - No signature!
[loaded] com.apple.ManagedClient.enroll.plist - Invalid signature!
[loaded] com.apple.ManagedClient.plist - Invalid signature!
[loaded] com.apple.ManagedClient.startup.plist - Invalid signature!
[loaded] com.apple.configureLocalKDC.plist - No signature!
[loaded] com.apple.efax.plist - No signature!
[loaded] com.apple.emlog.plist - No signature!
[loaded] com.apple.gkreport.plist - No signature!
[loaded] com.apple.locate.plist - No signature!
[loaded] com.apple.postgres.plist - /Applications/Server.app/Contents/ServerRoot/usr/bin/xpostgres: Executable not found!
[loaded] org.apache.httpd.plist - No signature!
[running] org.cups.cupsd.plist - Invalid signature!
[loaded] org.net-snmp.snmpd.plist - No signature!
[running] org.ntp.ntpd.plist - No signature!
[loaded] ssh.plist - No signature!
Launch Agents: (What does this mean?)
[running] com.Logitech.Control Center.Daemon.plist [Click for support]
[loaded] com.adobe.AAM.Updater-1.0.plist [Click for support]
[loaded] com.google.keystone.agent.plist [Click for support]
[loaded] com.oracle.java.Java-Updater.plist [Click for support]
[running] com.trusteer.rapport.rapportd.plist [Click for support]
Launch Daemons: (What does this mean?)
[loaded] com.adobe.agsservice.plist [Click for support]
[loaded] com.adobe.fpsaud.plist [Click for support]
[loaded] com.google.keystone.daemon.plist [Click for support]
[loaded] com.macpaw.CleanMyMac2.Agent.plist [Click for support]
[loaded] com.malwarebytes.MBAMHelperTool.plist [Click for support]
[loaded] com.oracle.java.Helper-Tool.plist [Click for support]
[loaded] com.oracle.java.JavaUpdateHelper.plist [Click for support]
[running] com.trusteer.rooks.rooksd.plist [Click for support]
User Launch Agents: (What does this mean?)
[loaded] com.adobe.AAM.Updater-1.0.plist [Click for support]
[loaded] com.adobe.ARM.[...].plist [Click for support]
[loaded] com.macpaw.CleanMyMac2Helper.diskSpaceWatcher.plist [Click for support]
[loaded] com.macpaw.CleanMyMac2Helper.scheduledScan.plist [Click for support]
[loaded] com.macpaw.CleanMyMac2Helper.trashWatcher.plist [Click for support]
[loaded] com.shirtpocket.backuponmount-login.plist [Click for support]
[loaded] com.shirtpocket.backuponmount.plist [Click for support]
[running] com.vladalexa.MagicPrefs.plist [Click for support]
[loaded] net.jonstovell.keepDocumentmasterSpinning.plist [Click for support]
[loaded] net.jonstovell.keepMediafilesASpinning.plist [Click for support]
[loaded] net.jonstovell.keepMediafilesBSpinning.plist [Click for support]
[loaded] net.jonstovell.keepYosemiteSpinning.plist [Click for support]
[loaded] uk.co.canimaansoftware.clamxav.freshclam.plist [Click for support]
User Login Items: (What does this mean?)
ChronoSync Scheduler Application Hidden (/Applications/ChronoSync.app/Contents/Library/LoginItems/ChronoSync Scheduler.app)
iTunesHelper Application Hidden (/Applications/iTunes.app/Contents/MacOS/iTunesHelper.app)
ChronoSync Application Hidden (/Applications/ChronoSync.app)
DragThing Application (/Applications/DragThing.app)
Mail Application Hidden (/Applications/Mail.app)
Default Folder X Helper Application (~/Library/PreferencePanes/Default Folder X.prefPane/Contents/Resources/Default Folder X Helper.app)
Dropbox Application Hidden (/Applications/Dropbox.app)
Calendar Application Hidden (/Applications/Calendar.app)
ClamXav Sentry Application (/Applications/ClamXav.app/Contents/Resources/ClamXav Sentry.app)
MacLWSLauncher Application (/Applications/Logitech/LWS/Logitech Webcam Software.app/Contents/MacOS/MacLWSLauncher.app)
iTunes Application Hidden (/Applications/iTunes.app)
GraphicConverter 9 Application Hidden (/Applications/GraphicConverter 9.app)
KiesAgent Application Hidden (/Applications/Kies.app/Contents/MacOS/KiesAgent.app)
fuspredownloader Application Hidden (~/Library/Application Support/.FUS/fuspredownloader.app)
Other Apps: (What does this mean?)
[running] OpenObject.fuspredownloader.25308
[running] com.2point5fish.mouselocator.321236
[running] com.adobe.Reader.24740
[running] com.apple.xpc.launchd.oneshot.0x10000005.EtreCheck
[running] com.easmussen.tasktimerle.17924
[running] com.econtechnologies.backgrounder.chronosync.27864
[running] com.econtechnologies.chronosync.21616
[running] com.getdropbox.dropbox.22752
[running] com.graphisoft.ArchiCAD.20764
[running] com.graphisoft.ArchiCAD.20764.BF30A16C-C4E1-4151-B94D-5EFB79BDA5DA
[running] com.lemkesoft.graphicconverter9.19060
[running] com.microsoft.Excel.17356
[running] com.microsoft.autoupdate.fba.320668
[running] com.microsoft.entourage.database_daemon.47460
[running] com.stclairsoft.DefaultFolderX.helper.22468
[running] com.yourcompany.KiesAgent.25024
[running] uk.co.canimaansoftware.clamxav.ClamXav-Sentry.23604
[running] uk.co.tla-systems.dragthing.15936
[running] uk.co.tla-systems.dragthing.helper.20196
[running] uk.co.tla-systems.dragthing.trash.21332
Internet Plug-ins: (What does this mean?)
AdobeAAMDetect: Version: AdobeAAMDetect 1.0.0.0 - SDK 10.6 [Click for support]
FlashPlayer-10.6: Version: 19.0.0.245 - SDK 10.6 [Click for support]
Default Browser: Version: 600 - SDK 10.10
Flash Player: Version: 19.0.0.245 - SDK 10.6 [Click for support]
AdobePDFViewer: Version: 9.5.5 [Click for support]
QuickTime Plugin: Version: 7.7.3
OfficeLiveBrowserPlugin: Version: 12.3.6 [Click for support]
Google Earth Web Plug-in: Version: 7.1 [Click for support]
JavaAppletPlugin: Version: Java 8 Update 45 Check version
3rd Party Preference Panes: (What does this mean?)
Default Folder X [Click for support]
Flash Player [Click for support]
Java [Click for support]
Logitech Control Center [Click for support]
MagicPrefs [Click for support]
MouseLocator [Click for support]
Trusteer Endpoint Protection [Click for support]
Time Machine: (What does this mean?)
Time Machine not configured!
Top Processes by CPU: (What does this mean?)
50% mdworker(6)
30% WindowServer
5% kernel_task
2% fontd
1% MouseLocatorAgent
Top Processes by Memory: (What does this mean?)
1.92 GB kernel_task
1.16 GB ArchiCAD(2)
831 MB ChronoSync
745 MB WindowServer
674 MB mds_stores
Virtual Memory Information: (What does this mean?)
2.41 GB Free RAM
12.00 GB Used RAM (2.55 GB Cached)
0 B Swap Used
Diagnostics Information: (What does this mean?)
Dec 2, 2015, 08:22:54 AM Self test - passed
Nov 30, 2015, 10:37:48 PM ~/Library/Logs/DiagnosticReports/Adobe Photoshop Elements Editor_2015-11-30-223748_[redacted].crash
Nov 30, 2015, 08:03:11 PM /Library/Logs/DiagnosticReports/CleanMyMac 2_2015-11-30-200311_[redacted].cpu_resource.diag [Click for details]
Nov 29, 2015, 10:13:54 PM /Library/Logs/DiagnosticReports/firefox_2015-11-29-221354_[redacted].cpu_resour ce.diag [Click for details]
There were a number of items in the report sections "Startup items", "System Launch Agents" and "System Launch Daemons" which were highlighted in red, unfortunately the colour does not show on this copy. Mainly these are No or Invalid signatures but I din't know how to rectify them.
Any help you could offer would be greatly appreciated.