Here's the Entrecheck report. I've been getting rid of unused applications, which may explain the odd launch failure. Other than that, I have no idea how to read this thing. Interpretation appreciated.
Problem description:
computer is very slow
EtreCheck version: 2.2 (132)
Report generated 5/14/15, 1:34 PM
Download EtreCheck from http://etresoft.com/etrecheck
Click the [Click for support] links for help with non-Apple products.
Click the [Click for details] links for more information about that line.
Hardware Information: ℹ️
iMac (21.5-inch, Mid 2011) (Technical Specifications)
iMac - model: iMac12,1
1 2.5 GHz Intel Core i5 CPU: 4-core
16 GB RAM Upgradeable
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: ℹ️
AMD Radeon HD 6750M - VRAM: 512 MB
iMac 1920 x 1080
Acer P216H 1920 x 1080 @ 60 Hz
System Software: ℹ️
OS X 10.10.2 (14C109) - Time since boot: one day 4:4:22
Disk Information: ℹ️
ST3500418AS disk0 : (500.11 GB)
EFI (disk0s1) <not mounted> : 210 MB
Son of Bert (disk0s2) / : 499.25 GB (57.80 GB free)
Recovery HD (disk0s3) <not mounted> [Recovery]: 650 MB
OPTIARC DVD RW AD-5690H
USB Information: ℹ️
Apple, Inc. Keyboard Hub
Mitsumi Electric Apple Optical USB Mouse
Apple Inc. Apple Keyboard
Apple Computer, Inc. IR Receiver
Apple Internal Memory Card Reader
Apple Inc. FaceTime HD Camera (Built-in)
Western Digital My Book 1230 2 TB
EFI (disk2s1) <not mounted> : 210 MB
Backup (disk2s2) /Volumes/Backup : 2.00 TB (573.82 GB free)
Apple Inc. BRCM2046 Hub
Apple Inc. Bluetooth USB Host Controller
Firewire Information: ℹ️
Seagate GoFlex Desk Mac 800mbit - 800mbit max
EFI (disk1s1) <not mounted> : 210 MB
Spare backup (disk1s2) /Volumes/Spare backup : 2.00 TB (1.19 TB free)
Thunderbolt Information: ℹ️
Apple Inc. thunderbolt_bus
Gatekeeper: ℹ️
Mac App Store and identified developers
Kernel Extensions: ℹ️
/System/Library/Extensions
[loaded] com.rim.driver.BlackBerryUSBDriverInt (0.0.97) [Click for support]
[not loaded] com.rim.driver.BlackBerryUSBDriverVSP (0.0.97) [Click for support]
Launch Agents: ℹ️
[not loaded] com.adobe.AAM.Updater-1.0.plist [Click for support]
[running] com.adobe.AdobeCreativeCloud.plist [Click for support]
[loaded] com.adobe.CS4ServiceManager.plist [Click for support]
[failed] com.extensis.FMCore.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.rim.BBAlbumArtCacher.plist [Click for support]
[running] com.rim.BBLaunchAgent.plist [Click for support]
Launch Daemons: ℹ️
[running] com.adobe.adobeupdatedaemon.plist [Click for support]
[loaded] com.adobe.fpsaud.plist [Click for support]
[running] com.daz3d.content_management_service.plist [Click for support]
[loaded] com.google.keystone.daemon.plist [Click for support]
[loaded] com.oracle.java.Helper-Tool.plist [Click for support]
[running] com.rim.BBDaemon.plist [Click for support]
User Launch Agents: ℹ️
[loaded] com.adobe.AAM.Updater-1.0.plist [Click for support]
[loaded] com.adobe.ARM.[...].plist [Click for support]
[failed] com.akamai.single-user-client.plist [Click for support]
[failed] com.apple.CSConfigDotMacCert-@me.com-SharedServices.Agent.plist
[loaded] com.facebook.videochat.[redacted].plist [Click for support]
[failed] com.hp.printerAgent.plist [Click for support]
[not loaded] com.linotype.FontFolderProtector.plist [Click for support]
[not loaded] org.virtualbox.vboxwebsrv.plist [Click for support]
User Login Items: ℹ️
Dropbox Application (/Applications/Dropbox.app)
Keyboard Maestro Engine Application (/Applications/Keyboard Maestro.app/Contents/Resources/Keyboard Maestro Engine.app)
Calendar Application (/Applications/Calendar.app)
Art Directors Toolkit 5i Application (/Applications/Art Directors Toolkit 5i.app)
FontAgent Activator Application (/Library/Application Support/FontAgent Pro/FontAgent Activator.app)
Internet Plug-ins: ℹ️
AdobeAAMDetect: Version: 3.0.0.0 - SDK 10.9 [Click for support]
FlashPlayer-10.6: Version: 17.0.0.169 - SDK 10.6 [Click for support]
Default Browser: Version: 600 - SDK 10.10
AdobePDFViewerNPAPI: Version: 11.0.0 - SDK 10.6 [Click for support]
AdobePDFViewer: Version: 11.0.0 - SDK 10.6 [Click for support]
Flash Player: Version: 17.0.0.169 - SDK 10.6 Outdated! Update
QuickTime Plugin: Version: 7.7.3
Google Earth Web Plug-in: Version: 7.1 [Click for support]
Silverlight: Version: 5.1.30514.0 - SDK 10.6 [Click for support]
JavaAppletPlugin: Version: Java 8 Update 31 Check version
User internet Plug-ins: ℹ️
Picasa: Version: 1.0 - SDK 10.4 [Click for support]
Google Earth Web Plug-in: Version: 7.1 [Click for support]
3rd Party Preference Panes: ℹ️
Akamai NetSession Preferences [Click for support]
Flash Player [Click for support]
FAPPreferences [Click for support]
Java [Click for support]
Time Machine: ℹ️
Auto backup: YES
Volumes being backed up:
Son of Bert: Disk size: 499.25 GB Disk used: 441.45 GB
Destinations:
Backup [Local]
Total size: 2.00 TB
Total number of backups: 75
Oldest backup: 2014-09-17 18:39:42 +0000
Last backup: 2015-05-14 15:29:52 +0000
Size of backup disk: Excellent
Backup size 2.00 TB > (Disk size 499.25 GB X 3)
Top Processes by CPU: ℹ️
88% firefox
27% com.apple.qtkitserver(2)
26% VTDecoderXPCService(4)
25% WindowServer
24% DesktopServicesHelper
Top Processes by Memory: ℹ️
1.20 GB firefox
1.14 GB kernel_task
999 MB Adobe Muse CC
590 MB mdworker(18)
508 MB com.apple.WebKit.WebContent(2)
Virtual Memory Information: ℹ️
484 MB Free RAM
16.00 GB Used RAM
30 MB Swap Used
Diagnostics Information: ℹ️
May 13, 2015, 03:47:12 PM /Users/[redacted]/Library/Logs/DiagnosticReports/garcon_2015-05-13-154712_[reda cted].crash
May 13, 2015, 09:22:26 AM Self test - passed
May 12, 2015, 11:54:16 PM /Library/Logs/DiagnosticReports/firefox_2015-05-12-235416_[redacted].hang
May 12, 2015, 11:52:10 PM /Users/[redacted]/Library/Logs/DiagnosticReports/plugin-container_2015-05-12-23 5210_[redacted].crash
May 12, 2015, 01:30:57 PM /Users/[redacted]/Library/Logs/DiagnosticReports/syncdefaultsd_2015-05-12-13305 7_[redacted].crash
May 11, 2015, 10:29:43 PM /Library/Logs/DiagnosticReports/firefox_2015-05-11-222943_[redacted].cpu_resour ce.diag [Click for details]
May 11, 2015, 05:47:09 PM /Library/Logs/DiagnosticReports/Adobe QT32 Server_2015-05-11-174709_[redacted].cpu_resource.diag [Click for details]
May 11, 2015, 05:46:43 PM /Library/Logs/DiagnosticReports/Adobe Premiere Pro CC 2014_2015-05-11-174643_[redacted].cpu_resource.diag [Click for details]
May 11, 2015, 05:28:36 PM /Library/Logs/DiagnosticReports/com.apple.qtkitserver_2015-05-11-172836_[redact ed].cpu_resource.diag [Click for details]
May 11, 2015, 05:24:46 PM /Users/[redacted]/Library/Logs/DiagnosticReports/garcon_2015-05-11-172446_[reda cted].crash