880      iPhone_iPad_Mac_apple

my macbook pro is very slow

hi my MacBook pro runs very slow.I also have avast antivirus and i wonder if it slows down my system or do I really need any antivirus on MacBook pro. I think after updating to iOS sierra -system is slower.

I have run etre check.  Please help me solve the problem!

EtreCheck version: 3.4.2 (436)

Report generated 2017-08-19 13:01:13

Download EtreCheck from https://etrecheck.com

Runtime: 45:06

Performance: Poor

Click the [Lookup] links for more information from Apple Support Communities.

Click the [Details] links for more information about that line.

Problem: Computer is too slow

Description:

I just wonder if i need avast antivirus. can avast slow down my mac book pro?

Hardware Information: ⓘ

    MacBook Pro (13-inch, Mid 2012)

    [Technical Specifications] - [User Guide] - [Warranty & Service]

    MacBook Pro - model: MacBookPro9,2

    1 2.9 GHz Intel Core i7 (i7-3520M) CPU: 2-core

    8 GB RAM Upgradeable - [Instructions]

        BANK 0/DIMM0

            4 GB DDR3 1600 MHz ok

        BANK 1/DIMM0

            4 GB DDR3 1600 MHz ok

    Bluetooth: Good - Handoff/Airdrop2 supported

    Wireless:  en1: 802.11 a/b/g/n

    Battery: Health = Normal - Cycle count = 942

Video Information: ⓘ

    Intel HD Graphics 4000 - VRAM: 1536 MB

        Color LCD 1280 x 800

Disk Information: ⓘ

    TOSHIBA MK7559GSXF disk0: (750.16 GB) (Rotational)

    [Show SMART report]

        EFI (disk0s1 - MS-DOS FAT32) <not mounted>  [EFI]: 210 MB

        (disk0s2) <not mounted>  [CoreStorage Container]: 749.30 GB

        Recovery HD (disk0s3 - Journaled HFS+) <not mounted>  [Recovery]: 650 MB

    MATSHITADVD-R   UJ-8A8  ()

USB Information: ⓘ

     USB20Bus

         hub_device

            Apple Inc. FaceTime HD Camera (Built-in)

     USB20Bus

         hub_device

             hub_device

                Apple Inc. Apple Internal Keyboard / Trackpad

                Apple Computer, Inc. IR Receiver

                Apple Inc. BRCM20702 Hub

                    Apple Inc. Bluetooth USB Host Controller

     USB30Bus

Thunderbolt Information: ⓘ

    Apple Inc. thunderbolt_bus

Virtual disks: ⓘ

    Macintosh HD (disk1 - Journaled HFS+) /  [Startup]: 748.93 GB (713.27 GB free)

        Physical disk: disk0s2 749.30 GB Online

System Software: ⓘ

    macOS Sierra  10.12.6 (16G29) - Time since boot: about 16 hours

Gatekeeper: ⓘ

    Mac App Store and identified developers

Kernel Extensions: ⓘ

        /Library/Application Support/Avast/components/fileshield/unsigned

    [loaded]    com.avast.FileShield (3.0.0 - SDK 10.9) [Lookup]

        /Library/Application Support/Avast/components/proxy/unsigned

    [loaded]    com.avast.PacketForwarder (2.1 - SDK 10.11) [Lookup]

System Launch Agents: ⓘ

    [not loaded]    6 Apple tasks

    [loaded]    176 Apple tasks

    [running]    100 Apple tasks

System Launch Daemons: ⓘ

    [not loaded]    42 Apple tasks

    [loaded]    171 Apple tasks

    [running]    104 Apple tasks

Launch Agents: ⓘ

    [loaded]    6H4HRTU5E3.com.avast.passwords.Agent.plist (AVAST Software a.s. - installed 2017-05-02) [Lookup]

    [failed]    com.adobe.ARMDCHelper.cc24aef4a1b90ed56a725c38014c95072f92651fb65e1bf9c8e43c37a2 3d420d.plist (Adobe Systems, Inc. - installed 2017-05-03) [Lookup]

    [running]    com.avast.secureline.update-agent.plist (AVAST Software a.s. - installed 2017-06-30) [Lookup]

    [loaded]    com.avast.secureline.userinit.plist (Shell Script 8ccdce62 - installed 2017-06-30) [Lookup]

    [running]    com.avast.update-agent.plist (AVAST Software a.s. - installed 2017-08-07) [Lookup]

    [loaded]    com.avast.userinit.plist (Shell Script bb25154c - installed 2017-08-07) [Lookup]

    [loaded]    com.oracle.java.Java-Updater.plist (? 358b4a4f be93c7fb - installed 2017-05-02) [Lookup]

Launch Daemons: ⓘ

    [loaded]    com.adobe.ARMDC.Communicator.plist (Adobe Systems, Inc. - installed 2017-05-03) [Lookup]

    [loaded]    com.adobe.ARMDC.SMJobBlessHelper.plist (Adobe Systems, Inc. - installed 2017-05-03) [Lookup]

    [loaded]    com.adobe.fpsaud.plist (? 2afb3af7 85012398 - installed 2017-07-25) [Lookup]

    [loaded]    com.avast.init.plist (Shell Script fc55b6fa - installed 2017-08-07) [Lookup]

    [loaded]    com.avast.secureline.init.plist (Shell Script bbfdbc27 - installed 2017-06-30) [Lookup]

    [loaded]    com.avast.secureline.uninstall.plist (Shell Script 4c7c4aa8 - installed 2017-06-30) [Lookup]

    [loaded]    com.avast.secureline.update.plist (Shell Script 6ae01bb3 - installed 2017-06-30) [Lookup]

    [loaded]    com.avast.uninstall.plist (Shell Script 22f94791 - installed 2017-08-07) [Lookup]

    [loaded]    com.avast.update.plist (Shell Script d6c32197 - installed 2017-08-07) [Lookup]

    [loaded]    com.oracle.java.Helper-Tool.plist (Shell Script e3fefdd2 - installed 2017-05-02) [Lookup]

User Launch Agents: ⓘ

    [loaded]    com.avast.home.userinit.plist (Shell Script 82331e2 - installed 2017-08-07) [Lookup]

    [loaded]    com.avast.secureline.home.userinit.plist (Shell Script 7844a12d - installed 2017-06-30) [Lookup]

    [loaded]    com.cisco.videoguard7.plist (Shell Script c8b7826e - installed 2017-07-15)

    [loaded]    com.cisco.videoguard7.uninstall.plist (Shell Script ab4a1c52 - installed 2017-07-15)

    [running]    com.cisco.videoguardmonitor.plist (Shell Script 2864b4de - installed 2017-07-15)

User Login Items: ⓘ

    iTunesHelper    Application (? 0 - installed 2017-07-19)

        (/Applications/iTunes.app/Contents/MacOS/iTunesHelper.app)

Internet Plug-ins: ⓘ

    Silverlight: 5.1.50901.0 (installed 2017-05-30) [Lookup]

    FlashPlayer-10.6: 26.0.0.151 (installed 2017-08-09) [Lookup]

    QuickTime Plugin: 7.7.3 (installed 2017-07-29)

    Flash Player: 26.0.0.151 (installed 2017-08-09) [Lookup]

    JavaAppletPlugin: Java 8 Update 131 build 11 (installed 2017-08-19) Check version

3rd Party Preference Panes: ⓘ

    Flash Player (installed 2017-07-25) [Lookup]

Time Machine: ⓘ

    Time Machine not configured!

Top Processes by CPU: ⓘ

       324%   kernel_task

        14%   system_profiler

         7%   WindowServer

         1%   trustd

         0%   CiscoVideoGuardMonitor

Top Processes by Memory: ⓘ

    851 MB    kernel_task

    425 MB    com.apple.WebKit.WebContent

    259 MB    com.avast.daemon

    240 MB    com.apple.WebKit.WebContent

    193 MB    com.apple.WebKit.WebContent

Top Processes by Network Use: ⓘ

    Input     Output    Process name

    984 KB    36 KB     mDNSResponder

    529 KB    34 KB     com.avast.proxy

    18 KB     22 KB     apsd

    4 KB      4 KB      ntpd

    3 KB      2 KB      netbiosd

Top Processes by Energy Use: ⓘ

      7.02 WindowServer

      1.58 suggestd

      0.88 photolibraryd

      0.66 photoanalysisd

Virtual Memory Information: ⓘ

    4.00 GB   Available RAM

    577 MB    Free RAM

    4.00 GB   Used RAM

    3.43 GB   Cached files

    0 B       Swap Used

Software installs: ⓘ

    Adobe Flash Player:  (installed 2017-07-23)

    Adobe Flash Player:  (installed 2017-08-09)

    Install information may not be complete.

Diagnostics Information: ⓘ

    2017-08-18 21:13:08    quicklookd.app Crash [Open]

        Cause:        quicklookd seems struck trying to quit, crashing

        abort() called

    2017-08-18 20:52:12    com.apple.WebKit.Networking Crash [Open]

Files deleted by EtreCheck: ⓘ

    2017-08-19 11:23:08 - /Library/LaunchDaemons/com.apple.installer.cleanupinstaller.plist - Unknown

最後更新：2017-08-19 22:18:21

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