Hi, thanks for the support.
Here is the report that EtreCheck generated. The shutdown that is mentioned in the Diagnostics section is an example of my problem, earlier today.
EtreCheck version: 4.1.3 (4A186)
Report generated: 2018-03-10 19:10:21
Download EtreCheck from https://etrecheck.com
Runtime: 6:44
Performance: Below Average
Problem: Computer is restarting
Description:
Computer crashes completely (black screen) at random when using any browser. No obvious difference in performance between browsers and no obvious other trigger.
Major Issues:
Anything that appears on this list needs immediate attention.
No Time Machine backup - Time Machine backup not found.
Minor Issues:
These issues do not need immediate attention but they may indicate future problems.
Upgradeable hard drive - This machine’s hard drive could be replaced with an SSD. This would dramatically improve your machine’s performance.
Unsigned files - There is unsigned software installed. They appear to be legitimate but should be reviewed.
Low performance - EtreCheck report took over 5 minutes to run. This is unusual.
Vintage hardware - This machine may be considered vintage.
Hardware Information:
MacBook Pro (15-inch, Mid 2010) - Vintage!
MacBook Pro Model: MacBookPro6,2
1 2.8 GHz Intel Core i7 (i7) CPU: 2-core
8 GB RAM At maximum
BANK 0/DIMM0
4 GB DDR3 1067 ok
BANK 1/DIMM0
4 GB DDR3 1067 ok
Battery: Health = Normal - Cycle count = 311
Video Information:
Intel HD Graphics - VRAM: 288 MB
NVIDIA GeForce GT 330M - VRAM: 512 MB
Color LCD 1680 x 1050
Drives:
disk0 - ST9500325ASG 500.11 GB (Mechanical)
Internal SATA 1.5 Gigabit Serial ATA
disk0s1 - EFI [EFI] 210 MB
disk0s2 - Macintosh HD [Core Storage Container] 499.25 GB
disk1 - Macintosh HD (Journaled HFS+) 498.88 GB
disk0s3 - Recovery HD [Recovery] 650 MB
Mounted Volumes:
disk1 - Macintosh HD 498.88 GB (216.89 GB free)
Journaled HFS+
Mount point: /
Network:
Interface en0: Ethernet
Interface fw0: FireWire
Interface en1: Wi-Fi
802.11 a/b/g/n
One IPv4 address
System Software:
OS X El Capitan 10.11.6 (15G1011)
Time since boot: About 5 hours
System Load: 1.93 (1 min ago) 1.59 (5 min ago) 2.89 (15 min ago)
Security:
System | Status |
Gatekeeper | Mac App Store and identified developers |
System Integrity Protection | Enabled |
Unsigned Files:
Launchd: /Library/LaunchDaemons/com.avast.uninstall.plist
Executable: /Library/Application Support/Avast/hub/autouninstall.sh
Details: Exact match found in the whitelist - probably OK
Launchd: /Library/LaunchAgents/com.avast.userinit.plist
Executable: /Library/Application Support/Avast/hub/userinit.sh
Details: Exact match found in the whitelist - probably OK
Launchd: /Library/LaunchDaemons/com.quark.quarkupdate.plist
Executable: /Library/PrivilegedHelperTools/com.quark.quarkupdate
Details: Exact match found in the whitelist - probably OK
Launchd: /Library/LaunchAgents/de.novamedia.launch2net.deviceobserver.plist
Executable: /Applications/Stay Connected/Stay Connected.app/Contents/MacOS/NML2NDeviceObserver.app/Contents/MacOS/NML2NDevice Observer
Details: Exact match found in the whitelist - probably OK
Launchd: /Library/LaunchDaemons/de.novamedia.launch2net.nmnetmgrd.plist
Executable: /Applications/Stay Connected/Stay Connected.app/Contents/MacOS/nmnetmgrd_launchd
Details: Exact match found in the whitelist - probably OK
Launchd: /Library/LaunchDaemons/com.avast.update.plist
Executable: /Library/Application Support/Avast/components/update/update.sh
Details: Exact match found in the whitelist - probably OK
Launchd: /Library/LaunchAgents/com.quark.quarkupdate.agent.plist
Executable: /Library/PreferencePanes/QUPreferencePane.prefPane/Contents/MacOS/PreferenceHel per --silent
Details: Exact match found in the whitelist - probably OK
Launchd: /Library/LaunchDaemons/com.avast.init.plist
Executable: /Library/Application Support/Avast/hub/init.sh
Details: Exact match found in the whitelist - probably OK
Launchd: ~/Library/LaunchAgents/com.avast.home.userinit.plist
Executable: ~/Library/Application Support/Avast/hub/userinit.sh
Details: Exact match found in the whitelist - probably OK
Kernel Extensions:
/Library/Application Support/Avast/components/fileshield/signed
[Loaded] AvastFileShield.kext (AVAST Software a.s., 4.0.0 - SDK 10.12)
/Library/Application Support/Avast/components/proxy/signed
[Loaded] AvastPacketForwarder.kext (AVAST Software a.s., 2.1 - SDK 10.12)
/System/Library/Extensions
[Not Loaded] ZTEUSBCDCACMData.kext (ZTEDriver_MacV1.3.8)
[Not Loaded] ZTEUSBMassStorageFilter.kext (ZTEDriver_MacV1.3.8)
[Not Loaded] Option72.kext (2.17.0)
[Not Loaded] cdc_ecm_qmi.kext (1.0.1)
[Not Loaded] cdc.kext (1.0.1)
[Not Loaded] NMSonyEricssonMD400.kext (1.0.1)
/System/Library/Extensions/NMSonyEricssonMD400.kext/Contents/PlugIns
[Not Loaded] NMUSBCDCACMControl.kext (3.2.6)
[Not Loaded] NMUSBCDCACMData.kext (3.2.6)
System Launch Agents:
[Not Loaded] | 7 Apple tasks |
[Loaded] | 159 Apple tasks |
[Running] | 72 Apple tasks |
System Launch Daemons:
[Not Loaded] | 46 Apple tasks |
[Loaded] | 159 Apple tasks |
[Running] | 86 Apple tasks |
[Other] | One Apple task |
Launch Agents:
[Loaded] | com.quark.quarkupdate.agent.plist (? 4b40d0e6 - installed 2010-10-22) |
[Loaded] | com.avast.userinit.plist (? bb25154c - installed 2018-01-22) |
[Loaded] | com.google.keystone.agent.plist (Google, Inc. - installed 2018-02-04) |
[Running] | com.avast.update-agent.plist (AVAST Software a.s. - installed 2018-01-22) |
[Running] | de.novamedia.launch2net.deviceobserver.plist (? 9cb2f9d6 - installed 2010-10-21) |
Launch Daemons:
[Loaded] | com.avast.uninstall.plist (? 22f94791 - installed 2018-01-22) |
[Loaded] | com.avast.init.plist (? fc55b6fa - installed 2018-01-22) |
[Running] | de.novamedia.launch2net.nmnetmgrd.plist (? 71539e4c - installed 2010-10-21) |
[Loaded] | com.adobe.fpsaud.plist (Adobe Systems, Inc. - installed 2018-02-02) |
[Loaded] | com.quark.quarkupdate.plist (? b5d626e1 - installed 2018-01-27) |
[Loaded] | com.google.keystone.daemon.plist (Google, Inc. - installed 2018-03-06) |
[Running] | com.avast.update.plist (? 5c6ac355 - installed 2018-01-22) |
User Launch Agents:
[Loaded] | com.dropbox.DropboxMacUpdate.agent.plist (Dropbox, Inc. - installed 2017-08-10) |
[Loaded] | com.avast.home.userinit.plist (? 0 - installed 2018-01-22) |
[Loaded] | com.adobe.ARM.202f4087f2bbde52e3ac2df389f53a4f123223c9cc56a8fd83a6f7ae.plist (? 0 - installed 2015-09-24) |
User Login Items:
iTunesHelper Application (Apple, Inc. - installed 2018-01-24)
(/Applications/iTunes.app/Contents/MacOS/iTunesHelper.app)
Dropbox Application (Dropbox, Inc.
(/Applications/Dropbox.app)
Internet Plug-ins:
NPDjVu: 6.1.1 (installed 2010-07-09)
Google Earth Web Plug-in: 7.1 (installed 2013-10-07)
Default Browser: 601 (installed 2017-08-09)
PrintDialogExt: 6.1.1 (installed 2010-07-09)
AdobePDFViewerNPAPI: 10.1.16 (installed 2018-01-28)
FlashPlayer-10.6: 28.0.0.161 (installed 2018-02-07)
Silverlight: 5.1.10411.0 (installed 2013-01-10)
QuickTime Plugin: 7.7.3 (installed 2017-08-09)
Flash Player: 28.0.0.161 (installed 2018-02-07)
iPhotoPhotocast: 7.0 (installed 2012-03-30)
AdobePDFViewer: 10.1.16 (installed 2018-01-28)
JavaAppletPlugin: 15.0.1 (installed 2012-06-18)
Safari Extensions:
3rd Party Preference Panes:
Flash Player (installed 2018-02-02)
Quark Update Preferences (installed 2011-08-22)
Time Machine:
Time Machine Not Configured!
Top Processes by CPU:
Process (count) | Source | % of CPU |
WindowServer | Apple | 5 |
kernel_task | Apple | 2 |
Google Chrome Helper (7) | Google, Inc. | 1 |
Google Chrome | Google, Inc. | 0 |
syspolicyd | Apple | 0 |
Top Processes by Memory:
Process (count) | Source | RAM usage |
Google Chrome Helper (7) | Google, Inc. | 1.07 GB |
kernel_task | Apple | 715 MB |
Dropbox (3) | Dropbox, Inc. | 230 MB |
Google Chrome | Google, Inc. | 223 MB |
Finder | Apple | 218 MB |
Top Processes by Energy Use:
Process (count) | Source | Energy usage (0-100) |
WindowServer | Apple | 3 |
Dropbox (3) | Dropbox, Inc. | 3 |
Google Chrome Helper (7) | Google, Inc. | 1 |
Google Chrome | Google, Inc. | 0 |
mds | Apple | 0 |
Virtual Memory Information:
Available RAM | 3.86 GB |
Free RAM | 16 MB |
Used RAM | 4.14 GB |
Cached files | 3.84 GB |
Swap Used | 0 B |
Diagnostics Information (past 7 days):
2018-03-10 13:36:53 Last Shutdown Cause: -62 - System unresponsive (once)
End of report