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Question: Random app crashes on MBP running Sierra

Hi all!


I have a difficult question: I am using a MacBook Pro (Retina, 13-inch, Early 2015) running MacOS Sierra10.12.6 (16G1212). Every once in a while this computer either stops completely (screen and apps in tact, but touchpad doesn't click, mouse doesn't move, keyboard cannot be used). The only thing i can do is power off and restart and then the computer always reboots correctly. This happens at least once every two or three days.

Another issue i have is that quite randomly apps stop. Mostly when TimeMachine is working, but also when it's not. Mostly it's either Chrome or Outlook which stop, but that might be because those apps are always open. Many other apps also stop randomly, even the Finder shows me a spinning ball forever. Command line tools never stop.

I use this computer for work appx. 14 hours per day every day.


How can i diagnose what is happening? I am getting to the point where i will buy a new laptop, but if i can troubleshoot and fix this problem, that would save me a lot of time compared to purchasing and installing a completely new laptop.


Any suggestions are greatly appreciated.


Ton.

MacBook Pro with Retina display, macOS Sierra (10.12.6)

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Mar 17, 2018 10:34 AM in response to Toontje In response to Toontje

The way to get increased visibility into what is going on inside your mac was developed by a senior contributor here. If the problem is not immediately obvious, paste the report to a reply here on the forums and readers will help you decipher it.


User tip: Using etrecheck


.

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Mar 15, 2018 12:47 PM in response to Toontje In response to Toontje

A Troubleshooting Procedure that may Fix Problems with macOS El Capitan or Later

You should try each, one at a time, then test to see if the problem is fixed before going on to the next.


Be sure to backup your files before proceeding if possible.


  1. Shutdown the computer, wait 30 seconds, restart the computer.
  2. Disconnect all third-party peripherals.
  3. Resetting your Mac’s PRAM and NVRAM
  4. Reset the System Management Controller (SMC)
  5. Reset your Startup Disk and Sound preferences.
  6. Start the computer in Safe Mode. Test in safe mode to see if the problem persists, then restart normally.
  7. Use Apple Hardware Test to see if there is any hardware malfunction.
  8. Repair the disk by booting from the Recovery HD. Immediately after the chime hold down the Command and R keys until the Utility Menu appears. Choose Disk Utility and click on the Continue button. Select the indented (usually, Macintosh HD) volume entry from the side list. Click on the First Aid button in the toolbar. Wait for the Done button to appear. Quit Disk Utility and return to the Utility Menu. Restart the computer from the Apple Menu.
  9. Repair permissions on the Home folder: Resolve issues caused by changing the permissions of items in your home folder.
  10. Create a New User Account Open Users & Groups preferences. Click on the lock icon and enter your Admin password when prompted. On the left under Current User click on the Add [+] button under Login Options. Setup a new Admin user account. Upon completion log out of your current account then log into the new account. If your problems cease, then consider switching to the new account and transferring your files to it - Transferring files from one User Account to another.
  11. Download and install the OS X El Capitan 10.11.6 Combo Update or 10.12.6 Combo Update or Download macOS High Sierra 10.13.3 Combo Update as needed.
  12. Reinstall OS X by booting from the Recovery HD using the Command and R keys. When the Utility Menu appears select Reinstall OS X then click on the Continue button.
  13. Erase and Install OS X Restart the computer. Immediately after the chime hold down the Command and R keys until the Apple logo appears. When the Utility Menu appears:
  1. Select Disk Utility from the Utility Menu and click on Continue button.
  2. When Disk Utility loads select the drive (out-dented entry) from the Device list.
  3. Click on the Erase icon in Disk Utility's toolbar. A panel will drop down.
  4. Set the Format type to APFS (for SSDs only) or Mac OS Extended (Journaled.)
  5. Click on the Apply button, then wait for the Done button to activate and click on it.
  6. Quit Disk Utility and return to the Utility Menu.
  7. Select Reinstall OS X and click on the Continue button.

If none of the above helps then make an appointment at the Apple Genius Bar for service. If you need to find an Apple Store - Find a Store - Apple.


Mar 15, 2018 12:47 PM

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Mar 17, 2018 5:35 AM in response to Kappy In response to Kappy

Nice default troubleshooting answer, but i think it's not the hardware that is the issue. I think it's one or more of my installed apps that is causing the system to fail. As i mentioned, it's a difficult problem and the Microsoft solution of "Do a chkdsk /f and a Windows Update and if that doesn't solve the issue just reinstall the system" is not the proper way forward, i think. We have Macs, we don't do things the Microsoft way. Or do we now?

Mar 17, 2018 5:35 AM

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Question marked as Helpful

Mar 17, 2018 10:34 AM in response to Toontje In response to Toontje

The way to get increased visibility into what is going on inside your mac was developed by a senior contributor here. If the problem is not immediately obvious, paste the report to a reply here on the forums and readers will help you decipher it.


User tip: Using etrecheck


.

Mar 17, 2018 10:34 AM

Reply Helpful (1)

Mar 17, 2018 10:34 AM in response to Grant Bennet-Alder In response to Grant Bennet-Alder

EtreCheck version: 4.1.3 (4A188)

Report generated: 2018-03-17 18:23:42

Download EtreCheck from https://etrecheck.com

Runtime: 6:06

Performance: Below Average


Problem: Beachballing

Description:

Random apps including the Finder and menu apps randomly beachball.


Major Issues:

Anything that appears on this list needs immediate attention.


Gatekeeper disabled - Gatekeeper security protection is disabled. This computer is at risk of malware infection.


Minor Issues:

These issues do not need immediate attention but they may indicate future problems.


Heavy RAM usage - This machine is using a large amount of RAM.

Clean up - There are orphan files that could be removed.

Unsigned files - There is unsigned software installed. They appear to be legitimate but should be reviewed.

System modifications - There are a large number of system modifications running in the background.

Low performance - EtreCheck report took over 5 minutes to run. This is unusual.

32-bit Apps - This machine has 32-bits apps that may have problems in the future.


Hardware Information:

MacBook Pro (Retina, 13-inch, Early 2015)

MacBook Pro Model: MacBookPro12,1

1 3,1 GHz Intel Core i7 (i7-5557U) CPU: 2-core

16 GB RAM Not upgradeable

BANK 0/DIMM0

8 GB DDR3 1867 ok

BANK 1/DIMM0

8 GB DDR3 1867 ok

Battery: Health = Normal - Cycle count = 229


Video Information:

Intel Iris Graphics 6100 - VRAM: 1536 MB

Color LCD 3360 x 2100


Drives:

disk0 - APPLE SSD SM0256G 251.00 GB (Solid State - TRIM: Yes)

Internal PCI 5.0 GT/s x4 Serial ATA

disk0s1 - EFI (MS-DOS FAT32) [EFI] 210 MB

disk0s2 [Core Storage Container] 250.14 GB

disk1 - H******k (Journaled HFS+) 249.79 GB

disk0s3 - Recovery HD (HFS+) [Recovery] 650 MB


Mounted Volumes:

disk1 - H******k 249.79 GB (82.29 GB free)

Journaled HFS+

Mount point: /


Network:

Interface en0: Wi-Fi

802.11 a/b/g/n/ac

One IPv4 address

Interface en4: Thunderbolt Ethernet

One IPv4 address

Interface SAMSUNG_MDM: SAMSUNG Modem

Interface Repleo-PL2303-00401114: USB-Serial Controller D

Interface Repleo-PL2303-30431214: USB-Serial Controller D 2

Interface Repleo-PL2303-00101114: USB-Serial Controller D 3

Interface usbserial-A106HG4K: FT232R USB UART

Interface usbserial-A503W2EC: FT232R USB UART 2

Interface en7: USB3.0 dual display

Interface en9: iPhone

Interface en3: Bluetooth PAN


System Software:

macOS Sierra 10.12.6 (16G1212)

Time since boot: About 4 hours

System Load: 2.88 (1 min ago) 2.54 (5 min ago) 2.41 (15 min ago)


Configuration Files:

File /etc/sysctl.conf exists but not expected

/etc/hosts - Count: 1


Security:

System Status
Gatekeeper Anywhere
System Integrity Protection Enabled


Unsigned Files:

Launchd: /Library/LaunchDaemons/com.macromates.auth_server.plist

Executable: /Library/PrivilegedHelperTools/com.macromates.auth_server

Details: Exact match found in the whitelist - probably OK

Launchd: /Library/LaunchDaemons/com.cisco.anyconnect.aciseagentd.plist

Executable: /opt/cisco/anyconnect/bin/aciseagentd -d

Details: Exact match found in the whitelist - probably OK

Launchd: /Library/LaunchDaemons/org.tuxfamily.chronyc.plist

Executable: /bin/sh /usr/local/bin/chronylogrotate.sh /usr/local/bin/chronyc /var/log/chrony

Details: Exact match found in the whitelist - probably OK

Launchd: /Library/LaunchAgents/com.oracle.java.Java-Updater.plist

Executable: /Library/Internet Plug-Ins/JavaAppletPlugin.plugin/Contents/Resources/Java Updater.app/Contents/MacOS/Java Updater -bgcheck

Details: Exact match found in the whitelist - probably OK

Launchd: /Library/LaunchDaemons/homebrew.mxcl.dnsmasq.plist

Executable: /usr/local/opt/dnsmasq/sbin/dnsmasq --keep-in-foreground -C /usr/local/etc/dnsmasq.conf

Details: Exact match found in the whitelist - probably OK

Launchd: /Library/LaunchDaemons/com.oracle.java.Helper-Tool.plist

Executable: /Library/Internet Plug-Ins/JavaAppletPlugin.plugin/Contents/Resources/Helper-Tool

Details: Exact match found in the whitelist - probably OK

Launchd: /Library/LaunchDaemons/com.prey.agent.plist

Executable: /usr/local/lib/prey/current/bin/prey

Details: Exact match found in the whitelist - probably OK

Launchd: /Library/LaunchDaemons/com.cisco.anyconnect.ciscod.plist

Executable: /opt/cisco/hostscan/bin/ciscod -d

Details: Exact match found in the whitelist - probably OK

Launchd: ~/Library/LaunchAgents/homebrew.mxcl.dnsmasq.plist

Executable: /usr/local/opt/dnsmasq/sbin/dnsmasq --keep-in-foreground -C /usr/local/etc/dnsmasq.conf

Details: Exact match found in the whitelist - probably OK

Launchd: /Library/LaunchDaemons/com.devguru.ssconnservice.plist

Executable: /Library/LaunchAgents/ss_conn_service

Details: Exact match found in the whitelist - probably OK

Launchd: /Library/LaunchDaemons/com.cisco.anyconnect.vpnagentd.plist

Executable: /opt/cisco/anyconnect/bin/vpnagentd -execv_instance

Details: Exact match found in the whitelist - probably OK

Launchd: /Library/LaunchAgents/com.cisco.anyconnect.gui.plist

Executable: /Applications/Cisco/Cisco AnyConnect Secure Mobility Client.app --wait-apps /Applications/Cisco/Cisco AnyConnect Secure Mobility Client.app

Details: Exact match found in the whitelist - probably OK


32-bit Applications:

Name Version
SecurityFixer 10.8
BBEdit 11.6.7
IDrive 3.5.1.6
Cisco AnyConnect DART 4.3.00748
IDriveMonitor 3.5.1.6
Wish 8.4.19
IDWifiManager 3.5.1.6
vpndownloader 4.3.00748
dr 9.0.1
Serial Tools 0.6
SLLauncher 1.0
Uninstall AnyConnect 4.3.00748
Network Recording Player 2.2.0
Uninstall AnyConnect DART 4.3.00748
tqsl 2.3.1
Cisco AnyConnect Secure Mobility Client 4.3.00748
IDSyncDaemon 2.5.5
cocoaModem 2 1.03
GoogleTalkPlugin 5.41.3.0
asannotation2 1504.28.3000.0
WebEx Productivity Tools 32.11.0.28
convertpdf 1.2
Cisco WebEx Meeting Center 1602.19.3006.0
quicklookd32 5.0
DVD Player 5.8
Uninstall 1.0
WebExPluginAgent 32.3.0
Cisco WebEx Meetings 1709.06.3206.1
Cisco WebEx Event Center 1605.18.3105.0
GoogleVoiceAndVideoUninstaller 5.41.3.0
dr.fone-Backup & Restore 9.0.1
Smart Switch 4.1.1.17102_4
IDriveDaemon 3.5.1.6
InkServer 10.9
atmsupload 1504.29.3000.0


Kernel Extensions:

/Applications/Smart Switch/SmartSwitch.app

[Not Loaded] ssudmdmcontrol.kext (DEVGURU Co., Ltd., 1.4.45 - SDK 10.6)

[Not Loaded] ssudmdmdata.kext (DEVGURU Co., Ltd., 1.4.45 - SDK 10.6)

[Not Loaded] ssuddrv.kext (DEVGURU Co., Ltd., 1.4.45 - SDK 10.6)

[Not Loaded] ssudmtp.kext (DEVGURU Co., Ltd., 1.4.45 - SDK 10.5)

[Not Loaded] ssudserial.kext (DEVGURU Co., Ltd., 1.4.45 - SDK 10.6)

[Not Loaded] ssdumdrv.kext (Samsung Electronics, 1.3)

/Applications/VMware Fusion.app

[Loaded] VMwareVMCI.kext (VMware, Inc., 8.5.10)

[Loaded] vmioplug.kext (VMware, Inc., 8.5.10)

[Loaded] vmnet.kext (VMware, Inc., 8.5.10)

[Loaded] vmmon.kext (VMware, Inc., 8.5.10)

/Library/Extensions

[Loaded] Soundflower.kext (MATT INGALLS, 2.0b2 - SDK 10.10)

[Loaded] DisplayLinkDriver.kext (DisplayLink Corp, 3.1.0 (82262) - SDK 10.9)

[Not Loaded] Dropbox.kext (Dropbox, Inc., 1.8.1 - SDK 10.11)

[Not Loaded] Pen Tablet.kext (Wacom Technology Corp., Pen Tablet 5.3.7-6 - SDK 10.12)

[Not Loaded] osx-pl2303.kext (BJA Electronics, 3.0.0 - SDK 10.12)

/Library/Objective-See/BlockBlock/BlockBlock.app

[Loaded] BlockBlock.kext (Objective-See, LLC, 0.9.7 - SDK 10.12)


System Launch Agents:

[Not Loaded] 7 Apple tasks
[Loaded] 177 Apple tasks
[Running] 101 Apple tasks


System Launch Daemons:

[Not Loaded] 38 Apple tasks
[Loaded] 171 Apple tasks
[Running] 110 Apple tasks
[Other] 2 Apple tasks


Launch Agents:

[Running] com.wacom.pentablet.plist (Wacom Technology Corp. - installed 2016-10-11)
[Loaded] com.microsoft.update.agent.plist (Microsoft Corporation - installed 2018-03-13)
[Not Loaded] com.teamviewer.teamviewer_desktop.plist (? 5984e04 - installed 2016-12-21)
[Not Loaded] com.teamviewer.teamviewer.plist (? bb938493 - installed 2016-12-21)
[Loaded] org.macosforge.xquartz.startx.plist (Apple Inc. - XQuartz - installed 2016-10-26)
[Running] com.displaylink.useragent.plist (? 634b9508 - installed 2017-06-12)
[Other] com.google.keystone.agent.plist (Google, Inc. - installed 2018-02-20)
[Not Loaded] com.displaylink.useragent-prelogin.plist (? fd7d3eb2 - installed 2017-06-12)
[Loaded] com.oracle.java.Java-Updater.plist (? ccc1c32 - installed 2017-12-20)
[Loaded] com.cisco.anyconnect.gui.plist (? 40bd3462 - installed 2016-07-27)
[Not Loaded] ss_conn_service (? 468ef167 - installed 2016-11-18)
[Running] com.webex.pluginagent.plist (Cisco - installed 2018-02-28)


Launch Daemons:

[Running] com.cisco.anyconnect.aciseagentd.plist (? 8b31c1c3 - installed 2016-06-07)
[Loaded] com.microsoft.autoupdate.helper.plist (Microsoft Corporation - installed 2018-03-13)
[Running] com.prosoftnet.idrivedaemon.plist (IDrive Incorporated - installed 2018-03-13)
[Loaded] com.macromates.auth_server.plist (? 65a04e5e - installed 2016-08-22)
[Not Loaded] com.teamviewer.teamviewer_service.plist (? e6c7921e - installed 2016-12-21)
[Loaded] net.whatroute.whatroute2helper.plist (Bryan Christianson - installed 2018-03-08)
[Running] com.cisco.anyconnect.vpnagentd.plist (? 4e4892ba - installed 2016-06-07)
[Loaded] com.teamviewer.Helper.plist (? 7f4bf3e7 - installed 2016-12-21)
[Running] com.objectiveSee.blockblock.plist (Objective-See, LLC - installed 2017-05-26)
[Running] com.prosoftnet.idsyncdaemon.plist (IDrive Incorporated - installed 2018-03-13)
[Loaded] com.oracle.java.Helper-Tool.plist (? e3fefdd2 - installed 2017-12-20)
[Loaded] org.macosforge.xquartz.privileged_startx.plist (Apple Inc. - XQuartz - installed 2016-10-26)
[Loaded] org.tuxfamily.chronyc.plist (? 50fe494e - installed 2017-12-20)
[Loaded] com.barebones.authd.plist (? c13813d8 - installed 2016-12-09)
[Running] com.cisco.anyconnect.ciscod.plist (? d78c2ec9 - installed 2016-06-07)
[Running] com.displaylink.displaylinkmanager.plist (? a65a6fcd - installed 2017-06-12)
[Other] homebrew.mxcl.dnsmasq.plist (? 7117d8df - installed 2018-02-19)
[Running] com.devguru.ssconnservice.plist (? 51f4c13e - installed 2016-11-18)
[Loaded] com.microsoft.office.licensingV2.helper.plist (Microsoft Corporation - installed 2015-12-06)
[Loaded] org.wireshark.ChmodBPF.plist (? d4207e05 - installed 2017-03-27)
[Running] com.prey.agent.plist (? 714c4ad6 - installed 2018-01-17)
[Loaded] net.whatroute.chronyhelper.plist (Bryan Christianson - installed 2017-12-20)
[Running] com.prosoftnet.idwifimanager.plist (IDrive Incorporated - installed 2018-03-13)
[Running] org.tuxfamily.chronyd.plist (Bryan Christianson - installed 2017-12-20)


User Launch Agents:

[Running] com.objectiveSee.blockblock.plist (Objective-See, LLC - installed 2017-01-31)
[Other] homebrew.mxcl.dnsmasq.plist (? 0 - installed 2017-10-02)
[Loaded] com.skype.skype.shareagent.plist (Skype Communications S.a.r.l - installed 2017-10-02)


User Login Items:

AppTrap Application (Kumaran Vijayan

(~/Library/PreferencePanes/AppTrap.prefPane/Contents/Resources/AppTrap.app)

WebEx Productivity Tools Application (Cisco

(/Applications/WebEx/Productivity Tools/WebEx Productivity Tools.app)

MenuMetersApp Application

(~/Library/PreferencePanes/MenuMeters.prefPane/Contents/Resources/MenuMetersApp .app)

Franz Application (Stefan Malzner

(/Applications/Franz.app)

IDriveMonitor Application (IDrive Incorporated

(/Library/Application Support/IDriveforMac/IDriveHelperTools/IDriveMonitor.app)

/Applications/Cisco/Cisco AnyConnect Secure Mobility Client/ Application

(/Applications/Cisco/Cisco AnyConnect Secure Mobility Client.app)


Internet Plug-ins:

QuickTime Plugin: 7.7.3 (installed 2018-01-24)

o1dbrowserplugin: 5.41.3.0 (installed 2015-12-11)

nplastpass: 4.1.2 (installed 2017-04-07)

googletalkbrowserplugin: 5.41.3.0 (installed 2015-12-11)

Silverlight: 5.1.50901.0 (installed 2017-08-28)

WacomTabletPlugin: WacomTabletPlugin 2.1.0.6 (installed 2016-10-11)

JavaAppletPlugin: Java 8 Update 161 build 12 (installed 2018-01-24)


User Internet Plug-ins:

WebEx64: 1.1.0 (installed 2017-07-25)


Safari Extensions:

uBlock Origin.safariextz - Chris Aljoudi/Raymond Hill - https://www.github.com/el1t/uBlock-Safari (installed 2017-08-17)
LastPass.safariextz - LastPass - https://lastpass.com/ (installed 2017-09-12)
OpenIE.safariextz - Parallels - http://www.parallels.com (installed 2017-04-11)


3rd Party Preference Panes:

AppTrap (installed 2016-04-23)

RCDefaultApp (installed 2009-09-20)

FUSE (installed 2017-09-21)

Java (installed 2018-01-24)

MenuMeters (installed 2016-02-13)

PenTablet (installed 2017-04-21)

Web Sharing (installed 2013-01-26)


Time Machine:

Skip System Files: No

Mobile backups: No

Auto backup: Yes

Volumes being backed up:

H******k: Disk size: 249.79 GB - Disk used: 167.50 GB

Destinations:

T**********e [Local] (Last used)

Total size: 999.86 GB

Total number of backups: 45

Oldest backup: 2017-10-28 10:56:16

Last backup: 2018-03-17 17:29:46


Top Processes by CPU:

Process (count) Source % of CPU
Franz Helper (11) Stefan Malzner 15
WindowServer Apple 9
vmware-vmx VMware, Inc. 5
Franz Stefan Malzner 4
Google Chrome Google, Inc. 3


Top Processes by Memory:

Process (count) Source RAM usage
Franz Helper (11) Stefan Malzner 3.11 GB
vmware-vmx VMware, Inc. 3.04 GB
kernel_task Apple 1.39 GB
Google Chrome Helper (8) Google, Inc. 889 MB
WindowServer Apple 453 MB


Top Processes by Network Use:

Process Source Input Output
Franz Stefan Malzner 1 MB 1 MB
IDriveDaemon IDrive Incorporated 269 KB 647 KB
mDNSResponder Apple 530 KB 92 KB
dnsmasq 189 KB 174 KB
chrony.conf 40 KB 25 KB


Top Processes by Energy Use:

Process (count) Source Energy usage (0-100)
Franz Helper (11) Stefan Malzner 10
WindowServer Apple 4
vmware-vmx VMware, Inc. 4
ss_conn_service 3
Franz Stefan Malzner 2


Virtual Memory Information:

Available RAM 4.67 GB
Free RAM 84 MB
Used RAM 11.33 GB
Cached files 4.59 GB
Swap Used 0 B


Software Installs (past 30 days):

Name Version Install Date
OneDrive 17.005.0107 2018-02-26


Clean up:

/Library/LaunchDaemons/org.wireshark.ChmodBPF.plist

/Library/Application Support/Wireshark/ChmodBPF/ChmodBPF

Executable not found


Diagnostics Information (past 7 days):

2018-03-15 19:25:42 Franz.app Crash (once)

2018-03-15 17:12:28 LocationMenu.app Crash (once)

Assertion failed: (gfx_plugin_data.fbindex[i] == gfx_plugin_data.fbindex[i - 1] + 1), function validate_plugin_data, file /Library/Caches/com.apple.xbs/Sources/OpenGL/OpenGL-14.0.16/GFXShared/gfx_plugi n.c, line 1492.

2018-03-15 10:28:33 Microsoft Outlook.app Hang (once)


End of report

Mar 17, 2018 10:34 AM

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Mar 17, 2018 10:51 AM in response to Toontje In response to Toontje

If you believe that then boot into Safe Mode. If the problem ceases then that would confirm your hypothesis which is why that is part of my troubleshooting process. It does not identify the third-party software causing the problem so you will have to uninstall any third-party software you did install when the problem began. You can also check if the software is compatible. See App Compatibility Table - RoaringApps.

Mar 17, 2018 10:51 AM

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Mar 17, 2018 10:54 AM in response to Grant Bennet-Alder In response to Grant Bennet-Alder

Yeah, i can see that as well. Memory and CPU hog probably because it's loading all those WhatsApp, GMail, Slack, Skype, Facebook Messenger, etc clients all in its own app. I am wondering what takes more CPU and memory, Franz or all those platforms separately.

I have removed it. Let's see if that resolves anything.

Mar 17, 2018 10:54 AM

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Mar 18, 2018 1:13 AM in response to Kappy In response to Kappy

Even though i do know where you are coming from, i think that uninstalling apps is one way to go, but not the most efficient way. As you know, apps get updated behind our backs all the time. As soon as you can not identify -exactly- when the problem started and -exactly- which apps have been installed OR UPDATED, then this method is a no-go.

All these software houses that "help" us with automatic updates, predefined settings based on geo location, configuration wizards, etc make troubleshooting this kind of issues a ****.

That's why, at the end, a reinstall is the only resort.....

Mar 18, 2018 1:13 AM

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Mar 18, 2018 10:18 AM in response to Toontje In response to Toontje

Well, if you read my list of troubleshooting items, then you know that when all else fails a reinstall is at the end of the list. Personally, I favor the erase and install. For your computer that would follow these steps:


Install El Capitan or Later from Scratch


If possible backup your files.


  1. Restart the computer. Immediately after the chime hold down the CommandandRkeys until the Apple logo appears. When the Utility Menu appears:
  2. Select Disk Utility from the Utility Menu and click on Continue button.
  3. When Disk Utility loads select the volume (indented entry, usually Macintosh HD) from the Device list.
  4. Click on the Erase icon in Disk Utility's main window. A panel will drop down.
  5. Set the Format type to APFS (SSDs only) or Mac OS Extended (Journaled.)
  6. Click on the Apply button, then wait for the Done button to activate and click on it.
  7. Quit Disk Utility and return to the Utility Menu.
  8. Select Install OS X and click on the Continue button.


This will install the version of OS X you had installed.

Mar 18, 2018 10:18 AM

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User profile for user: Toontje

Question: Random app crashes on MBP running Sierra