Here is the report that EtreCheck produced...
I noticed in "Launch Agents" there is a program that I had deleted a couple of months ago, but a part of it is still there... Fujitsu Scansnap.... but I have been having the "whirring fan" noise for 8-10 months.
EtreCheck version: 2.9.11 (264)
Report generated 2016-05-02 18:35:05
Download EtreCheck from https://etrecheck.com
Runtime 2:02
Performance: Excellent
Click the [Support] links for help with non-Apple products.
Click the [Details] links for more information about that line.
Problem: Other problem
Hardware Information: ⓘ
iMac (21.5-inch, Late 2012)
[Technical Specifications] - [User Guide] - [Warranty & Service]
iMac - model: iMac13,1
1 2.7 GHz Intel Core i5 CPU: 4-core
8 GB RAM Upgradeable - [Instructions]
BANK 0/DIMM0
4 GB DDR3 1600 MHz ok
BANK 1/DIMM0
4 GB DDR3 1600 MHz ok
Bluetooth: Good - Handoff/Airdrop2 supported
Wireless: en1: 802.11 a/b/g/n
Video Information: ⓘ
NVIDIA GeForce GT 640M - VRAM: 512 MB
iMac 1920 x 1080
System Software: ⓘ
OS X El Capitan 10.11.4 (15E65) - Time since boot: about one day
Disk Information: ⓘ
APPLE HDD HTS541010A9E662 disk0 : (1 TB) (Rotational)
EFI (disk0s1) <not mounted> : 210 MB
Macintosh HD (disk0s2) / : 999.35 GB (914.30 GB free)
Recovery HD (disk0s3) <not mounted> [Recovery]: 650 MB
USB Information: ⓘ
Apple, Inc. Keyboard Hub
Apple Inc. Apple Keyboard
Apple Inc. FaceTime HD Camera (Built-in)
Apple Inc. BRCM20702 Hub
Apple Inc. Bluetooth USB Host Controller
Apple Inc. MacBook Air SuperDrive
Thunderbolt Information: ⓘ
Apple Inc. thunderbolt_bus
Gatekeeper: ⓘ
Mac App Store and identified developers
Kernel Extensions: ⓘ
/System/Library/Extensions
[not loaded] com.Belcarra.iokit.USBLAN_netpart (2.0.2 - 2016-04-06) [Support]
[not loaded] com.Belcarra.iokit.USBLAN_usbpart (2.0.2 - 2016-04-06) [Support]
[not loaded] com.RemoteControl.USBLAN.usbpart (2.0.6 - 2016-04-06) [Support]
/System/Library/Extensions/Belcarra.USBLAN_netpart.kext/Contents/PlugIns
[not loaded] com.belcarra.iokit.netpart.panther (1.6.1 - 2007-06-06) [Support]
/System/Library/Extensions/Belcarra.USBLAN_usbpart.kext/Contents/PlugIns
[not loaded] com.belcarra.iokit.usbpart.panther (1.6.1 - 2007-06-06) [Support]
/System/Library/Extensions/RemoteControl.USBLAN_usbpart.kext/Contents/PlugIns
[not loaded] com.RemoteControl.USBLAN.panther (1.6.1 - 2011-12-25) [Support]
System Launch Agents: ⓘ
[not loaded] 6 Apple tasks
[loaded] 156 Apple tasks
[running] 76 Apple tasks
System Launch Daemons: ⓘ
[not loaded] 46 Apple tasks
[loaded] 156 Apple tasks
[running] 86 Apple tasks
Launch Agents: ⓘ
[failed] com.adobe.ARMDCHelper.cc24aef4a1b90ed56a...plist (2016-01-29) [Support]
[failed] com.fujitsu.pfu.ScanSnap.AOUMonitor.plist (2015-12-02) [Support]
[loaded] com.google.keystone.agent.plist (2016-03-02) [Support]
[not loaded] com.oracle.java.Java-Updater.plist [Support]
Launch Daemons: ⓘ
[loaded] com.adobe.ARMDC.Communicator.plist (2016-01-29) [Support]
[loaded] com.adobe.ARMDC.SMJobBlessHelper.plist (2016-01-29) [Support]
[failed] com.adobe.fpsaud.plist (2016-04-15) [Support]
[loaded] com.apple.installer.osmessagetracing.plist
[loaded] com.google.keystone.daemon.plist (2016-03-02) [Support]
[loaded] com.malwarebytes.MBAMHelperTool.plist (2015-11-26) [Support]
[loaded] com.microsoft.office.licensing.helper.plist (2011-03-10) [Support]
[not loaded] com.oracle.java.Helper-Tool.plist [Support]
[loaded] com.oracle.java.JavaUpdateHelper.plist (2014-01-18) [Support]
[failed] com.wdc.drivemanagerservice.plist (2009-02-12) [Support]
User Launch Agents: ⓘ
[failed] com.adobe.ARM.[...].plist (2012-11-02) [Support]
[running] com.amazon.music.plist (2015-12-24) [Support]
User Login Items: ⓘ
Stickies Application (/Applications/Stickies.app)
Other Apps: ⓘ
[running] org.mozilla.firefox.87712
[loaded] 398 Apple tasks
[running] 193 Apple tasks
Internet Plug-ins: ⓘ
Google Earth Web Plug-in: 6.2 (2012-06-28) [Support]
Default Browser: 601 - SDK 10.11 (2016-03-12)
Flip4Mac WMV Plugin: 3.2.0.16 - SDK 10.8 (2014-04-21) [Support]
AmazonMP3DownloaderPlugin101750: AmazonMP3DownloaderPlugin 1.0.17 - SDK 10.4 (2013-02-12) [Support]
AdobePDFViewerNPAPI: 15.010.20060 - SDK 10.8 (2016-03-09) [Support]
FlashPlayer-10.6: 21.0.0.226 - SDK 10.6 (2016-04-22) [Support]
DivXBrowserPlugin: 1.4 (2009-04-14) [Support]
Silverlight: 5.1.41105.0 - SDK 10.6 (2015-12-20) [Support]
QuickTime Plugin: 7.7.3 (2016-03-12)
Flash Player: 21.0.0.226 - SDK 10.6 (2016-04-22) [Support]
iPhotoPhotocast: 7.0 (2010-04-03)
SharePointBrowserPlugin: 14.6.2 - SDK 10.6 (2016-04-03) [Support]
AdobePDFViewer: 15.010.20060 - SDK 10.8 (2016-03-09) [Support]
GarminGpsControl: 4.0.3.0 Release - SDK 10.6 (2012-07-02) [Support]
DirectorShockwave: 11.5.0r595 (2009-03-19) [Support]
User internet Plug-ins: ⓘ
Unity Web Player: UnityPlayer version 2.1.0f5 (2009-02-13) [Support]
3rd Party Preference Panes: ⓘ
DivX (2009-04-14) [Support]
Flash Player (2016-04-15) [Support]
Flip4Mac WMV (2013-03-29) [Support]
Time Machine: ⓘ
Mobile backups: OFF
Auto backup: NO - Auto backup turned off
Volumes being backed up:
Macintosh HD: Disk size: 999.35 GB Disk used: 85.04 GB
Destinations:
G-DRIVE [Local]
Total size: 499.76 GB
Total number of backups: 2
Oldest backup: 1/4/13, 10:13 AM
Last backup: 5/21/14, 8:14 AM
Size of backup disk: Adequate
Backup size 499.76 GB > (Disk used 85.04 GB X 3)
Top Processes by CPU: ⓘ
3% WindowServer
2% fontd
1% kernel_task
0% SystemUIServer
0% cloudpaird
Top Processes by Memory: ⓘ
934 MB firefox
841 MB kernel_task
475 MB softwareupdated
229 MB mdworker(13)
139 MB Pages
Virtual Memory Information: ⓘ
2.52 GB Free RAM
5.47 GB Used RAM (1.72 GB Cached)
0 B Swap Used
Diagnostics Information: ⓘ
May 1, 2016, 06:33:43 PM /Library/Logs/DiagnosticReports/firefox_2016-05-01-183343_[redacted].cpu_resour ce.diag [Details]
/Applications/Firefox.app/Contents/MacOS/firefox
May 1, 2016, 04:32:56 PM Self test - passed
