Q: my mac is getting slower

EtreCheck version: 3.0.6 (315)

Report generated 2016-10-13 10:50:11

Download EtreCheck from https://etrecheck.com

Runtime 2:08

Performance: Excellent

Click the [Support] links for help with non-Apple products.

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

Problem: Computer is too slow

Hardware Information: ⓘ

    MacBook Air (13-inch, Early 2015)

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

    MacBook Air - model: MacBookAir7,2

    1 1.6 GHz Intel Core i5 CPU: 2-core

    4 GB RAM Not upgradeable

        BANK 0/DIMM0

            2 GB DDR3 1600 MHz ok

        BANK 1/DIMM0

            2 GB DDR3 1600 MHz ok

    Bluetooth: Good - Handoff/Airdrop2 supported

    Wireless:  en0: 802.11 a/b/g/n/ac

    Battery: Health = Normal - Cycle count = 64

Video Information: ⓘ

    Intel HD Graphics 6000

        Color LCD 1440 x 900

System Software: ⓘ

    OS X Yosemite 10.10.5 (14F1912) - Time since boot: about 6 hours

Disk Information: ⓘ

    APPLE SSD SM0128G disk0 : (121,33 GB) (Solid State - TRIM: Yes)

        EFI (disk0s1) <not mounted> : 210 MB

        Recovery HD (disk0s3) <not mounted>  [Recovery]: 650 MB

        Macintosh HD (disk1) /  [Startup]: 120.12 GB (82.74 GB free)

            Encrypted AES-XTS Unlocked

            Core Storage: disk0s2 120.47 GB Online

USB Information: ⓘ

    Apple Internal Memory Card Reader

    Apple Inc. BRCM20702 Hub

        Apple Inc. Bluetooth USB Host Controller

Thunderbolt Information: ⓘ

    Apple Inc. thunderbolt_bus

Gatekeeper: ⓘ

    Mac App Store and identified developers

System Launch Agents: ⓘ

    [not loaded]    5 Apple tasks

    [loaded]    144 Apple tasks

    [running]    63 Apple tasks

System Launch Daemons: ⓘ

    [not loaded]    47 Apple tasks

    [loaded]    136 Apple tasks

    [running]    78 Apple tasks

Launch Agents: ⓘ

    [failed]    com.adobe.ARMDCHelper.cc24aef4a1b90ed56a725c38014c95072f92651fb65e1bf9c8e43c37a2 3d420d.plist (2016-08-10) [Support]

Launch Daemons: ⓘ

    [loaded]    com.adobe.ARMDC.Communicator.plist (2016-08-10) [Support]

    [loaded]    com.adobe.ARMDC.SMJobBlessHelper.plist (2016-08-10) [Support]

    [loaded]    com.adobe.fpsaud.plist (2016-06-13) [Support]

    [loaded]    com.microsoft.office.licensing.helper.plist (2010-08-25) [Support]

    [loaded]    com.microsoft.office.licensingV2.helper.plist (2016-07-09) [Support]

User Launch Agents: ⓘ

    [loaded]    com.apple.FolderActions.folders.plist (2016-01-28)

    [loaded]    com.google.keystone.agent.plist (2016-08-10) [Support]

User Login Items: ⓘ

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

    Mail    Application  (/Applications/Mail.app)

Internet Plug-ins: ⓘ

    FlashPlayer-10.6: 22.0.0.192 - SDK 10.9 (2016-06-19) [Support]

    QuickTime Plugin: 7.7.3 (2016-09-12)

    AdobePDFViewerNPAPI: 15.010.20060 - SDK 10.8 (2016-02-26) [Support]

    AdobePDFViewer: 15.010.20060 - SDK 10.8 (2016-02-26) [Support]

    Flash Player: 22.0.0.192 - SDK 10.9 (2016-06-19) Outdated! Update

    Default Browser: 600 - SDK 10.10 (2016-05-16)

    SharePointBrowserPlugin: 14.0.0 (2010-08-25) [Support]

3rd Party Preference Panes: ⓘ

    None

Time Machine: ⓘ

    Time Machine not configured!

Top Processes by CPU: ⓘ

        65%    mds

        33%    mdworker(7)

        14%    kernel_task

         5%    WindowServer

         3%    fontd

Top Processes by Memory: ⓘ

    848 MB    Google Chrome Helper(16)

    560 MB    kernel_task

    168 MB    com.apple.WebKit.WebContent(20)

    123 MB    Microsoft Word

    119 MB    mdworker(7)

Virtual Memory Information: ⓘ

    382 MB    Free RAM

    3.62 GB    Used RAM (984 MB Cached)

    146 MB    Swap Used

Diagnostics Information: ⓘ

    Oct 13, 2016, 03:51:03 AM    Self test - passed

    Oct 13, 2016, 12:36:22 AM    /Library/Logs/DiagnosticReports/Microsoft Excel_2016-10-13-003622_[redacted].cpu_resource.diag [Details]

        /Applications/Microsoft Excel.app/Contents/MacOS/Microsoft Excel

    Oct 12, 2016, 12:29:40 AM    /Library/Logs/DiagnosticReports/Microsoft Excel_2016-10-12-002940_[redacted].cpu_resource.diag [Details]

    Oct 12, 2016, 12:28:11 AM    /Library/Logs/DiagnosticReports/Microsoft Excel_2016-10-12-002811_[redacted].hang

    Oct 12, 2016, 12:24:36 AM    /Library/Logs/DiagnosticReports/Microsoft Excel_2016-10-12-002436_[redacted].cpu_resource.diag [Details]

    Oct 12, 2016, 12:15:24 AM    /Library/Logs/DiagnosticReports/Microsoft Excel_2016-10-12-001524_[redacted].cpu_resource.diag [Details]

    Oct 11, 2016, 12:48:36 PM    /Library/Logs/DiagnosticReports/Microsoft Excel_2016-10-11-124836_[redacted].cpu_resource.diag [Details]

Dear Allan,

thanks for your help. please check the report.