And if it helps, I did do the EtreCheck scan right after a freeze and restart this afternoon:
EtreCheck version: 3.0.5 (309)
Report generated 2016-09-28 12:44:58
Download EtreCheck from https://etrecheck.com
Runtime 1:42
Performance: Excellent
Click the [Support] links for help with non-Apple products.
Click the [Details] links for more information about that line.
Click the [Remove] links to remove adware.
Problem: Beachballing
Hardware Information: ⓘ
MacBook Pro (Retina, 15-inch, Mid 2014)
[Technical Specifications] - [User Guide] - [Warranty & Service]
MacBook Pro - model: MacBookPro11,3
1 2.8 GHz Intel Core i7 CPU: 4-core
16 GB RAM Not upgradeable
BANK 0/DIMM0
8 GB DDR3 1600 MHz ok
BANK 1/DIMM0
8 GB DDR3 1600 MHz ok
Bluetooth: Good - Handoff/Airdrop2 supported
Wireless: en0: 802.11 a/b/g/n/ac
Battery: Health = Normal - Cycle count = 375
Video Information: ⓘ
Intel Iris Pro
Color LCD 2880 x 1800
NVIDIA GeForce GT 750M - VRAM: 2048 MB
System Software: ⓘ
macOS Sierra 10.12 (16A323) - Time since boot: less than an hour
Disk Information: ⓘ
APPLE SSD SM0512F disk0 : (500.28 GB) (Solid State - TRIM: Yes)
EFI (disk0s1) <not mounted> : 210 MB
Recovery HD (disk0s3) <not mounted> [Recovery]: 650 MB
Macintosh HD (disk1) / : 499.10 GB (111.86 GB free)
Core Storage: disk0s2 499.42 GB Online
USB Information: ⓘ
VIA Labs, Inc. USB3.0 Hub
Apple Inc. Apple Internal Keyboard / Trackpad
Apple Inc. BRCM20702 Hub
Apple Inc. Bluetooth USB Host Controller
Logitech USB Receiver
VIA Labs, Inc. USB2.0 Hub
Thunderbolt Information: ⓘ
Apple Inc. thunderbolt_bus
Configuration files: ⓘ
/etc/sudoers, File size 2299 but expected 1563
Gatekeeper: ⓘ
Mac App Store and identified developers
Adware: ⓘ
~/Library/Safari/Extensions/Lexside.safariextz
One adware file found. [Remove]
Kernel Extensions: ⓘ
/Applications/Toast 11 Titanium/Spin Doctor.app
[not loaded] com.hzsystems.terminus.driver (4 - 2015-05-04) [Support]
/Applications/Toast 11 Titanium/Toast Titanium.app
[not loaded] com.roxio.TDIXController (2.0 - 2016-06-11) [Support]
/Applications/zoom.us.app
[not loaded] zoom.us.ZoomAudioDevice (1.1 - SDK 10.8 - 2015-08-05) [Support]
/Library/Extensions
[loaded] com.Logitech.Control Center.HID Driver (3.9.3 - SDK 10.8 - 2016-09-21) [Support]
[not loaded] com.Logitech.Unifying.HID Driver (1.3.3 - SDK 10.8 - 2016-09-21) [Support]
[loaded] com.globaldelight.driver.VoilaDevice (2.1 - SDK 10.10 - 2016-09-21) [Support]
/System/Library/Extensions
[not loaded] com.Cycling74.driver.Soundflower (1.6.6 - SDK 10.6 - 2016-09-21) [Support]
System Launch Agents: ⓘ
[not loaded] 7 Apple tasks
[loaded] 170 Apple tasks
[running] 94 Apple tasks
System Launch Daemons: ⓘ
[not loaded] com.apple.jetsamproperties.Mac.plist (2016-08-25) [Support]
[not loaded] 42 Apple tasks
[loaded] 159 Apple tasks
[running] 102 Apple tasks
Launch Agents: ⓘ
[running] com.Logitech.Control Center.Daemon.plist (2016-07-20) [Support]
[not loaded] com.adobe.AAM.Updater-1.0.plist (2015-04-24) [Support]
[running] com.bjango.istatmenusagent.plist (2016-07-26) [Support]
[running] com.bjango.istatmenusnotifications.plist (2016-07-26) [Support]
[running] com.bjango.istatmenusstatus.plist (2016-07-26) [Support]
[loaded] com.oracle.java.Java-Updater.plist (2015-02-21) [Support]
[running] jp.co.canon.ScanGearMF.appl.Canon-MF-Scan-Agent.plist (2012-09-12) [Support]
[running] jp.co.canon.ScanGearMF.appl.Canon-MFSU-Agent.plist (2014-12-10) [Support]
Launch Daemons: ⓘ
[loaded] com.adobe.SwitchBoard.plist (2015-04-24) [Support]
[loaded] com.adobe.fpsaud.plist (2016-08-29) [Support]
[running] com.bjango.istatmenusdaemon.plist (2016-07-26) [Support]
[loaded] com.microsoft.autoupdate.helpertool.plist (2016-08-03) [Support]
[loaded] com.microsoft.office.licensingV2.helper.plist (2015-08-15) [Support]
[loaded] com.oracle.java.Helper-Tool.plist (2015-02-21) [Support]
User Launch Agents: ⓘ
[loaded] com.google.keystone.agent.plist (2016-07-12) [Support]
[running] com.spotify.webhelper.plist (2016-08-29) [Support]
User Login Items: ⓘ
Dropbox Application (/Applications/Dropbox.app)
SpeechSynthesisServer Application (/System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks /SpeechSynthesis.framework/Versions/A/SpeechSynthesisServer.app)
Canon IJ Network Scanner Selector EX Application Hidden (/Applications/Canon Utilities/IJ Network Scanner Selector EX/Canon IJ Network Scanner Selector EX.app)
Internet Plug-ins: ⓘ
FlashPlayer-10.6: 23.0.0.162 - SDK 10.9 (2016-09-22) [Support]
QuickTime Plugin: 7.7.3 (2016-09-13)
Flash Player: 23.0.0.162 - SDK 10.9 (2016-09-22) [Support]
AdobePDFViewer: 10.1.1 (2015-04-24) [Support]
SharePointBrowserPlugin: 14.6.8 - SDK 10.6 (2016-09-16) [Support]
PepperFlashPlayer: 23.0.0.162 - SDK 10.9 (2016-09-14) [Support]
Silverlight: 5.1.50428.0 - SDK 10.6 (2016-08-29) [Support]
SlingPlayer: Unknown - SDK 10.8 (2015-07-17) [Support]
JavaAppletPlugin: Java 8 Update 101 build 13 (2016-07-26) Check version
User internet Plug-ins: ⓘ
WebEx64: 1.0 - SDK 10.10 (2016-02-28) [Support]
Aspera Web 3.6.1.111259: Unknown - SDK 10.9 (2015-09-11) [Support]
AddLive_v3: AddLive_v3 3.0.6.3 (2016-04-13) [Support]
ZoomUsPlugIn: 3.5.22132.0730 - SDK 10.10 (2015-08-05) [Support]
Safari Extensions: ⓘ
1Password - AgileBits - https://agilebits.com/onepassword (2016-09-26)
AdBlock - BetaFish, Inc. - https://getadblock.com (2016-03-21)
Adblock Plus - Eyeo GmbH - https://adblockplus.org/ (2016-09-26)
Reddit Enhancement Suite - Steve Sobel - http://redditenhancementsuite.com/ (2014-12-30)
Lexside - Lexside - http://www.lexside.com/faq#lexside (2016-03-21) Adware! [Remove]
3rd Party Preference Panes: ⓘ
Flash Player (2016-08-29) [Support]
Java (2016-07-26) [Support]
Logitech Control Center (2016-08-29) [Support]
MusicManager (2015-11-17) [Support]
Perian (2013-12-10) [Support]
Time Machine: ⓘ
Time Machine not configured!
Top Processes by CPU: ⓘ
23% Mail
7% WindowServer
7% kernel_task
4% mds_stores
3% com.apple.spotlight.IndexAgent
Top Processes by Memory: ⓘ
3.47 GB Google Chrome Helper(17)
2.80 GB com.apple.WebKit.WebContent(8)
1.12 GB kernel_task
737 MB mdworker(20)
557 MB Safari
Virtual Memory Information: ⓘ
1.75 GB Free RAM
14.00 GB Used RAM (2.79 GB Cached)
0 B Swap Used
Diagnostics Information: ⓘ
Sep 28, 2016, 12:39:14 PM Self test - passed