I don't use the Seagate drivers, got rid of that startup item too. Seems to be processing a little quicker but Lightroom still froze this morning.
Here's the Etrecheck without the externals on. I noticed the killed processes at the end due to lack of RAM. Time for those 32GB I'm guessing!!
EtreCheck version: 2.9.13 (267)
Report generated 2016-07-21 10:27:18
Download EtreCheck from https://etrecheck.com
Runtime 4:31
Performance: Good
Click the [Support] links for help with non-Apple products.
Click the [Details] links for more information about that line.
Problem: Apps are crashing
Hardware Information: ⓘ
iMac (27-inch, Mid 2011)
[Technical Specifications] - [User Guide] - [Warranty & Service]
iMac - model: iMac12,2
1 2.7 GHz Intel Core i5 CPU: 4-core
16 GB RAM Upgradeable - [Instructions]
BANK 0/DIMM0
4 GB DDR3 1333 MHz ok
BANK 1/DIMM0
4 GB DDR3 1333 MHz ok
BANK 0/DIMM1
4 GB DDR3 1333 MHz ok
BANK 1/DIMM1
4 GB DDR3 1333 MHz ok
Bluetooth: Old - Handoff/Airdrop2 not supported
Wireless: en1: 802.11 a/b/g/n
Video Information: ⓘ
AMD Radeon HD 6770M - VRAM: 512 MB
iMac 2560 x 1440
ASUS VS247 1920 x 1080 @ 60 Hz
System Software: ⓘ
OS X El Capitan 10.11.6 (15G31) - Time since boot: about 17 hours
Disk Information: ⓘ
ST31000528AS disk0 : (1 TB) (Rotational)
EFI (disk0s1) <not mounted> : 210 MB
Macintosh HD (disk0s2) / : 999.35 GB (654.59 GB free)
Recovery HD (disk0s3) <not mounted> [Recovery]: 650 MB
OPTIARC DVD RW AD-5680H ()
USB Information: ⓘ
Apple Inc. FaceTime HD Camera (Built-in)
Seagate Backup+ Desk 3 TB
EFI (disk1s1) <not mounted> : 315 MB
3TB Seagate Archive (disk1s2) <not mounted> : 3.00 TB
Apple, Inc. Keyboard Hub
Apple Inc. Apple Keyboard
Apple Inc. BRCM2046 Hub
Apple Inc. Bluetooth USB Host Controller
Apple Computer, Inc. IR Receiver
Apple Card Reader 32.03 GB
NIKON D600 (disk3s1) /Volumes/NIKON D600 : 32.02 GB (9.74 GB free)
Thunderbolt Information: ⓘ
Apple Inc. thunderbolt_bus
Drobo 5D
Gatekeeper: ⓘ
Mac App Store and identified developers
Kernel Extensions: ⓘ
/Library/Application Support/HASP/kexts
[not loaded] com.aladdin.kext.aksfridge (1.0.13274 - 2016-07-20) [Support]
/Library/Extensions
[loaded] com.TrustedData.driver.VendorSpecificType00 (1.8.0 - SDK 10.7 - 2016-07-20) [Support]
[loaded] com.drobo.SCSI.ThunderBolt (1.1 - SDK 10.8 - 2016-07-20) [Support]
/System/Library/Extensions
[not loaded] com.Cycling74.driver.Soundflower (1.6.2 - SDK 10.6 - 2016-07-20) [Support]
[not loaded] com.attotech.driver.ATTOiSCSI (3.4.1b1 - SDK 10.6 - 2016-07-20) [Support]
[not loaded] com.seagate.driver.PowSecDriverCore (5.2.2 (26630) - SDK 10.4 - 2016-07-20) [Support]
/System/Library/Extensions/Seagate Storage Driver.kext/Contents/PlugIns
[not loaded] com.seagate.driver.PowSecLeafDriver_10_4 (5.2.2 (26630) - SDK 10.4 - 2012-10-02) [Support]
[not loaded] com.seagate.driver.PowSecLeafDriver_10_5 (5.2.2 (26630) - SDK 10.5 - 2012-10-02) [Support]
[not loaded] com.seagate.driver.SeagateDriveIcons (5.2.2 (26630) - SDK 10.4 - 2012-10-02) [Support]
System Launch Agents: ⓘ
[not loaded] 8 Apple tasks
[loaded] 147 Apple tasks
[running] 65 Apple tasks
[killed] 18 Apple tasks
18 processes killed due to insufficient RAM
System Launch Daemons: ⓘ
[not loaded] 45 Apple tasks
[loaded] 154 Apple tasks
[running] 81 Apple tasks
[killed] 11 Apple tasks
11 processes killed due to insufficient RAM
Launch Agents: ⓘ
[not loaded] com.adobe.AAM.Updater-1.0.plist (2016-06-09) [Support]
[loaded] com.adobe.CS4ServiceManager.plist (2011-09-08) [Support]
[running] com.epson.Epson_Low_Ink_Reminder.launcher.plist (2012-05-13) [Support]
[running] com.epson.ecpd.launcher.plist (2014-07-10) [Support]
[loaded] com.epson.esua.launcher.plist (2016-03-28) [Support]
[running] com.epson.eventmanager.agent.plist (2012-05-08) [Support]
[loaded] com.google.keystone.agent.plist (2016-07-11) [Support]
[loaded] com.oracle.java.Java-Updater.plist (2014-12-30) [Support]
[running] com.rosettastone.rosettastonedaemon.plist (2013-11-02) [Support]
[running] com.seagate.SeagateStorageGauge.plist (2010-03-10) [Support]
[failed] com.wyse.MacCompanion.plist (2012-12-03) [Support]
Launch Daemons: ⓘ
[loaded] com.adobe.SwitchBoard.plist (2012-09-25) [Support]
[loaded] com.adobe.agsservice.plist (2015-09-01) [Support]
[loaded] com.adobe.fpsaud.plist (2016-06-28) [Support]
[running] com.aladdin.aksusbd.plist (2012-01-21) [Support]
[running] com.aladdin.hasplmd.plist (2012-01-21) [Support]
[not loaded] com.attotech.iscsid.plist (2014-11-24) [Support]
[loaded] com.barebones.textwrangler.plist (2013-03-26) [Support]
[running] com.datarobotics.ddservice64d.plist (2016-03-29) [Support]
[not loaded] com.datarobotics.ddserviced.plist (2016-03-29) [Support]
[loaded] com.google.keystone.daemon.plist (2016-07-11) [Support]
[loaded] com.oracle.java.Helper-Tool.plist (2014-12-30) [Support]
[loaded] com.wdc.WDPrivilegedHelper.plist (2015-06-22) [Support]
[running] com.wyse.PocketCloud.plist (2012-06-14) [Support]
[running] com.xrite.device.xrdd.plist (2012-01-21) [Support]
User Launch Agents: ⓘ
[loaded] com.adobe.AAM.Updater-1.0.plist (2012-09-25) [Support]
[failed] com.apple.CSConfigDotMacCert-[...]@me.com-SharedServices.Agent.plist
[loaded] com.citrixonline.GoToMeeting.G2MUpdate.plist (2016-03-24) [Support]
User Login Items: ⓘ
Dropbox Application (/Applications/Dropbox.app)
Numbers Application (/Applications/Numbers.app)
FileMaker Pro Application (/Applications/FileMaker Pro 13/FileMaker Pro.app)
Other Apps: ⓘ
[running] com.etresoft.EtreCheck.245792
[running] com.evernote.EvernoteHelper
[running] com.getdropbox.dropbox.249632
[running] com.google.GoogleTalkPluginD.127712.E53BC1EC-B4B5-4AEB-A54A-F382C0A99838
[loaded] 418 Apple tasks
[running] 186 Apple tasks
[killed] 33 Apple tasks
Internet Plug-ins: ⓘ
AdobeExManDetect: AdobeExManDetect 1.1.0.0 - SDK 10.7 (2013-12-10) [Support]
FlashPlayer-10.6: 22.0.0.209 - SDK 10.9 (2016-07-20) [Support]
QuickTime Plugin: 7.7.3 (2016-07-20)
Flash Player: 22.0.0.209 - SDK 10.9 (2016-07-20) [Support]
AdobePDFViewer: 9.0.0 (2011-12-18) [Support]
AdobeAAMDetect: AdobeAAMDetect 1.0.0.0 - SDK 10.6 (2015-10-17) [Support]
Default Browser: 601 - SDK 10.11 (2016-07-20)
o1dbrowserplugin: 5.41.3.0 - SDK 10.8 (2015-12-16) [Support]
googletalkbrowserplugin: 5.41.3.0 - SDK 10.8 (2015-12-11) [Support]
Silverlight: 5.1.40416.0 - SDK 10.6 (2015-07-15) [Support]
JavaAppletPlugin: Java 8 Update 91 build 14 (2016-05-04) Check version
User internet Plug-ins: ⓘ
CitrixOnlineWebDeploymentPlugin: 1.0.105 (2015-02-10) [Support]
Safari Extensions: ⓘ
Add To Amazon Wish List - Amazon.com - https://www.amazon.com/wishlist?ref=cm_wl_saf_ext (2011-10-17)
Ebates Cash Back - Ebates Performance Marketing, Inc. - http://ebates.com/ (2016-05-25)
TinEye - TinEye - https://tineye.com (2016-07-20)
Pin It Button - Pinterest, Inc. - http://www.pinterest.com/ (2015-10-27)
Audio Plug-ins: ⓘ
DVCPROHDAudio: 1.2 (2006-01-17)
3rd Party Preference Panes: ⓘ
Flash Player (2016-06-28) [Support]
Java (2016-05-04) [Support]
Time Machine: ⓘ
Skip System Files: NO
Mobile backups: OFF
Auto backup: NO - Auto backup turned off
Volumes being backed up:
Macintosh HD: Disk size: 999.35 GB Disk used: 344.75 GB
3TB Seagate Archive: Disk size: 3.00 TB Disk used: 3.00 TB
Destinations:
Drobo Archive [Local]
Total size: 17.59 TB
Total number of backups: 4
Oldest backup: 6/15/14, 12:15 AM
Last backup: 5/6/16, 6:20 PM
Size of backup disk: Excellent
Backup size 17.59 TB > (Disk size 4.00 TB X 3)
Top Processes by CPU: ⓘ
10% syncdefaultsd(2)
8% com.apple.WebKit.WebContent(20)
6% Safari
4% WindowServer
2% kernel_task
Top Processes by Memory: ⓘ
2.32 GB com.apple.WebKit.WebContent(20)
1.23 GB kernel_task
377 MB Safari
262 MB Numbers
213 MB mdworker(13)
Virtual Memory Information: ⓘ
5.00 GB Free RAM
11.00 GB Used RAM (4.36 GB Cached)
67 MB Swap Used
Diagnostics Information: ⓘ
Jul 21, 2016, 10:20:49 AM /Library/Logs/DiagnosticReports/Adobe Lightroom_2016-07-21-102049_[redacted].hang
/Applications/Adobe Lightroom/Adobe Lightroom.app/Contents/MacOS/Adobe Lightroom
Jul 21, 2016, 10:09:58 AM ~/Library/Logs/DiagnosticReports/dynamiclinkmanager_2016-07-21-100958_[redacted ].crash
com.adobe.dynamiclinkmanager.application - /Applications/Adobe Lightroom/Adobe Lightroom.app/Contents/Helpers/DynamicLinkSupport/support/common/dynamiclink/dy namiclinkmanager.app/Contents/MacOS/dynamiclinkmanager
Jul 20, 2016, 05:12:24 PM Self test - passed
Jul 20, 2016, 04:11:02 PM /Library/Logs/DiagnosticReports/mdworker_2016-07-20-161102_[redacted].cpu_resou rce.diag [Details]
/System/Library/Frameworks/CoreServices.framework/Frameworks/Metadata.framework /Versions/A/Support/mdworker
Jul 18, 2016, 04:18:34 PM /Library/Logs/DiagnosticReports/Adobe Lightroom_2016-07-18-161834_[redacted].cpu_resource.diag [Details]