1. I have no safari extensions installed.
2. com.apple.safari is a folder for me, and it's quite large (126mb). In your answer you said "delete the com.apple.safari FILE" so I'm just a little nervous that folder includes other important files.
3. I tried deleting the file and restarting but it didn't have any impact.
I also ran the EtreCheck scan. Here's the report it gave.
EtreCheck version: 3.0.6 (315)
Report generated 2016-10-08 10:18:48
Download EtreCheck from https://etrecheck.com
Runtime 1:45
Performance: Excellent
Click the [Support] links for help with non-Apple products.
Click the [Details] links for more information about that line.
Problem: Apps are crashing
Description:
Safari crashes whenever I quit the application.
Hardware Information: ⓘ
MacBook Pro (Retina, 13-inch, Mid 2014)
[Technical Specifications] - [User Guide] - [Warranty & Service]
MacBook Pro - model: MacBookPro11,1
1 2.6 GHz Intel Core i5 CPU: 2-core
8 GB RAM Not upgradeable
BANK 0/DIMM0
4 GB DDR3 1600 MHz ok
BANK 1/DIMM0
4 GB DDR3 1600 MHz ok
Bluetooth: Good - Handoff/Airdrop2 supported
Wireless: en0: 802.11 a/b/g/n/ac
Battery: Health = Normal - Cycle count = 197
Video Information: ⓘ
Intel Iris
Color LCD 2560 x 1600
System Software: ⓘ
macOS Sierra 10.12 (16A323) - Time since boot: less than an hour
Disk Information: ⓘ
APPLE SSD SM0256F disk0 : (251 GB) (Solid State - TRIM: Yes)
EFI (disk0s1) <not mounted> : 210 MB
Recovery HD (disk0s3) <not mounted> [Recovery]: 650 MB
Macintosh HD (disk1) / [Startup]: 249.78 GB (45.31 GB free)
Core Storage: disk0s2 250.14 GB Online
USB Information: ⓘ
Apple Card Reader
Apple Inc. Apple Internal Keyboard / Trackpad
Apple Inc. BRCM20702 Hub
Apple Inc. Bluetooth USB Host Controller
ELECOM ELECOM Wireless Mouse "ORIME"
Thunderbolt Information: ⓘ
Apple Inc. thunderbolt_bus
Gatekeeper: ⓘ
Anywhere
Kernel Extensions: ⓘ
/Library/Extensions
[loaded] com.Cycling74.driver.Soundflower (2.0b2 - SDK 10.10 - 2016-09-28) [Support]
[loaded] com.movavi.driver.SoundGrabber (1.6.5 - SDK 10.6 - 2016-09-28) [Support]
[loaded] com.techsmith.TACC (1.0.2 - SDK 10.10 - 2016-09-28) [Support]
[loaded] jp.plentycom.driver.SteerMouse (4.2.3 - SDK 10.6 - 2016-09-28) [Support]
/Library/StartupItems/ArcanaStartupSound/Resources
[not loaded] arcana.PRAM (1.1b3 - 2009-09-12) [Support]
/System/Library/Extensions
[not loaded] com.ni.Fantom.nxtfwdl (1.1.1 - 2016-09-28) [Support]
[not loaded] com.wacom.kext.pentablet (Pen Tablet 5.2.5-3 - 2016-09-28) [Support]
Startup Items: ⓘ
ArcanaStartupSound: Path: /Library/StartupItems/ArcanaStartupSound
Fantom: Path: /Library/StartupItems/Fantom
Startup items no longer function in OS X Yosemite or later
System Launch Agents: ⓘ
[not loaded] 7 Apple tasks
[loaded] 169 Apple tasks
[running] 95 Apple tasks
System Launch Daemons: ⓘ
[not loaded] 36 Apple tasks
[loaded] 163 Apple tasks
[running] 105 Apple tasks
Launch Agents: ⓘ
[not loaded] com.adobe.AAM.Updater-1.0.plist (2011-12-15) [Support]
[loaded] com.google.keystone.agent.plist (2016-07-11) [Support]
[loaded] com.oracle.java.Java-Updater.plist (2015-02-02) [Support]
[not loaded] com.teamviewer.teamviewer.plist (2016-07-28) [Support]
[not loaded] com.teamviewer.teamviewer_desktop.plist (2016-07-28) [Support]
[running] com.wacom.pentablet.plist (2011-09-09) [Support]
[loaded] org.macosforge.xquartz.startx.plist (2014-08-11) [Support]
Launch Daemons: ⓘ
[loaded] com.adobe.SwitchBoard.plist (2011-12-15) [Support]
[loaded] com.adobe.fpsaud.plist (2016-04-15) [Support]
[loaded] com.google.keystone.daemon.plist (2016-09-02) [Support]
[loaded] com.macpaw.CleanMyMac3.Agent.plist (2016-02-22) [Support]
[loaded] com.oracle.java.Helper-Tool.plist (2015-02-02) [Support]
[loaded] com.teamviewer.Helper.plist (2016-02-01) [Support]
[not loaded] com.teamviewer.teamviewer_service.plist (2016-07-28) [Support]
[not loaded] org.eyebeam.SelfControl.plist (2016-05-23) [Support]
[loaded] org.macosforge.xquartz.privileged_startx.plist (2014-08-11) [Support]
[loaded] org.tcpdump.chmod_bpf.plist (2015-09-23) [Support]
User Launch Agents: ⓘ
[loaded] com.adobe.AAM.Updater-1.0.plist (2013-07-31) [Support]
[loaded] com.macpaw.CleanMyMac3.Scheduler.plist (2016-09-15)
[loaded] com.valvesoftware.steamclean.plist (2016-10-07) [Support]
User Login Items: ⓘ
Flux Application (~/Applications/Flux.app)
iTunesHelper Application (/Applications/iTunes.app/Contents/MacOS/iTunesHelper.app)
Dropbox Application (/Applications/Dropbox.app)
Pomodoro Timer Application (/Applications/Pomodoro Timer.app)
SteerMouse Manager Application (/Applications/Utilities/SteerMouse.app/Contents/MacOS/SteerMouse Manager.app)
Internet Plug-ins: ⓘ
iPhotoPhotocast: 7.0 (2008-11-24)
FlashPlayer-10.6: 21.0.0.226 - SDK 10.6 (2016-04-21) [Support]
QuickTime Plugin: 7.7.3 (2016-09-13)
Flash Player: 21.0.0.226 - SDK 10.6 (2016-04-21) Outdated! Update
AdobePDFViewer: 10.0.0 (2016-03-19) [Support]
WacomNetscape: 1.1.1-1 (2011-09-09) [Support]
OfficeLiveBrowserPlugin: 12.3.0 (2011-06-20) [Support]
Unity Web Player: UnityPlayer version 5.3.2f1 - SDK 10.6 (2016-02-08) [Support]
Silverlight: 5.1.30214.0 - SDK 10.6 (2016-03-19) [Support]
DirectorShockwave: 12.1.3r153 - SDK 10.6 (2014-06-24) [Support]
JavaAppletPlugin: Java 8 Update 91 build 14 (2016-04-20) Check version
3rd Party Preference Panes: ⓘ
Flash Player (2016-04-15) [Support]
FUSE for OS X (OSXFUSE) (2014-10-19) [Support]
Java (2016-04-20) [Support]
ArcanaStartupSound (2016-03-19) [Support]
SteerMouse (2016-03-19) [Support]
Time Machine: ⓘ
Skip System Files: NO
Auto backup: YES
Volumes being backed up:
Macintosh HD: Disk size: 249.78 GB Disk used: 204.47 GB
Destinations:
My Passport [Local]
Total size: 999.83 GB
Total number of backups: 0
Oldest backup: -
Last backup: -
Size of backup disk: Excellent
Backup size 999.83 GB > (Disk size 249.78 GB X 3)
Spare HDD [Local]
Total size: 2.00 TB
Total number of backups: 16
Oldest backup: 2013-09-08, 8:53 PM
Last backup: 2016-10-07, 10:14 PM
Size of backup disk: Excellent
Backup size 2.00 TB > (Disk size 249.78 GB X 3)
Top Processes by CPU: ⓘ
6% WindowServer
2% kernel_task
1% fontd
1% com.apple.AmbientDisplayAgent
1% Google Chrome Helper(5)
Top Processes by Memory: ⓘ
958 MB Google Chrome Helper(4)
731 MB kernel_task
311 MB mdworker(9)
213 MB Dropbox
197 MB Google Chrome
Virtual Memory Information: ⓘ
2.33 GB Free RAM
5.66 GB Used RAM (1.66 GB Cached)
0 B Swap Used
Diagnostics Information: ⓘ
Oct 8, 2016, 10:14:08 AM /Library/Logs/DiagnosticReports/Safari_2016-10-08-101408_[redacted].hang
/Applications/Safari.app/Contents/MacOS/Safari
Oct 8, 2016, 10:13:20 AM Self test - passed
Oct 8, 2016, 10:09:54 AM /Library/Logs/DiagnosticReports/Safari_2016-10-08-100954_[redacted].hang
Oct 7, 2016, 09:16:45 PM /Library/Logs/DiagnosticReports/backupd_2016-10-07-211645_[redacted].cpu_resour ce.diag [Details]
/System/Library/CoreServices/backupd.bundle/Contents/Resources/backupd
Oct 7, 2016, 09:00:29 PM /Library/Logs/DiagnosticReports/mds_stores_2016-10-07-210029_[redacted].crash
/System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/Metadat a.framework/Versions/A/Support/mds_stores
Oct 7, 2016, 08:59:21 PM /Library/Logs/DiagnosticReports/mds_stores_2016-10-07-205921_[redacted].crash
Oct 6, 2016, 07:15:40 PM ~/Library/Logs/DiagnosticReports/Google Chrome_2016-10-06-191540_[redacted].crash
com.google.Chrome - /Applications/Google Chrome.app/Contents/MacOS/Google Chrome