Why is my Mac overheated and taken a lot of space

Hello. I have trouble for two months and I never experience this before. When I boot up Mac and start to use some programs e.g. Safari or Adobe Photoshop, my Mac begins to overheat and hear the noise from a fan in side. Moreover, when I check at "About my Mac" and see available space, from 60GB left to less than 10 GB in few minute. In the other hand, my Windows 7 has no trouble at all.
So I decide to delete bootcamp, clear up disk and reinstall OS X. But, again, after I launch Safari which is newly preinstalled, my Mac is overheat again and now it steals 20 GB.
I have no idea on how to solve this problem and need urgent helps from the ones who know.
I use MacBook Air (Mid 2012) and run OS X Yosemite 10.10.2.
Thank you for reading and trying to solve my problem.

Problem description:
My MacBook Air is overheated and run out of spaces after launching some applications for sometime e.g. Safari or Adobe Photoshop.
EtreCheck version: 2.1.8 (121)
Report generated February 4, 2558 BE at 2:55:44 PM GMT+7
Download EtreCheck from http://etresoft.com/etrecheck
Click the [Click for support] links for help with non-Apple products.
Click the [Click for details] links for more information about that line.
Hardware Information: ℹ️
    MacBook Air (13-inch, Mid 2012) (Technical Specifications)
    MacBook Air - model: MacBookAir5,2
    1 1.8 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
    Battery Health: Normal - Cycle count 285
Video Information: ℹ️
    Intel HD Graphics 4000
        Color LCD 1440 x 900
System Software: ℹ️
    OS X 10.10.2 (14C109) - Time since boot: 0:5:36
Disk Information: ℹ️
    APPLE SSD SM256E disk0 : (251 GB)
        EFI (disk0s1) <not mounted> : 210 MB
        Recovery HD (disk0s3) <not mounted> [Recovery]: 650 MB
        BOOTCAMP (disk0s4) /Volumes/BOOTCAMP : 90.00 GB (66.02 GB free)
        Macintosh HD (disk1) / : 159.77 GB (112.89 GB free)
            Encrypted AES-XTS Unlocked
            Core Storage: disk0s2 160.14 GB Online
USB Information: ℹ️
    Apple Internal Memory Card Reader
    Apple Inc. BRCM20702 Hub
        Apple Inc. Bluetooth USB Host Controller
    Apple Inc. Apple Internal Keyboard / Trackpad
    JetFlash Mass Storage Device 16.23 GB
        LALALALALA! (disk2s1) /Volumes/LALALALALA! : 16.23 GB (15.28 GB free)
    Apple Inc. FaceTime HD Camera (Built-in)
Thunderbolt Information: ℹ️
    Apple Inc. thunderbolt_bus
Gatekeeper: ℹ️
    Mac App Store and identified developers
User Login Items: ℹ️
    iTunesHelper    Application (/Applications/iTunes.app/Contents/MacOS/iTunesHelper.app)
    BitTorrent    Application (/Applications/BitTorrent.app)
Internet Plug-ins: ℹ️
    Default Browser: Version: 600 - SDK 10.10
    QuickTime Plugin: Version: 7.7.3
3rd Party Preference Panes: ℹ️
    None
Time Machine: ℹ️
    Time Machine not configured!
Top Processes by CPU: ℹ️
         6%    WindowServer
         4%    hidd
         2%    System Information
         1%    com.apple.WebKit.Networking
         1%    BitTorrent
Top Processes by Memory: ℹ️
    82 MB    com.apple.WebKit.WebContent
    77 MB    mds_stores
    69 MB    Safari
    64 MB    sandboxd
    60 MB    WindowServer
Virtual Memory Information: ℹ️
    726 MB    Free RAM
    1.80 GB    Active RAM
    1.01 GB    Inactive RAM
    758 MB    Wired RAM
    1.12 GB    Page-ins
    0 B    Page-outs
Diagnostics Information: ℹ️
    Feb 4, 2015, 02:49:51 PM    Self test - passed
    Feb 4, 2015, 02:47:17 PM    /Library/Logs/DiagnosticReports/installd_2015-02-04-144717_[redacted].cpu_resou rce.diag [Click for details]
    Feb 4, 2015, 02:21:12 PM    /Library/Logs/DiagnosticReports/com.apple.WebKit.WebContent_2015-02-04-142112_[ redacted].cpu_resource.diag [Click for details]
    Feb 2, 2015, 06:18:23 PM    /Library/Logs/DiagnosticReports/installd_2015-02-02-181823_[redacted].cpu_resou rce.diag [Click for details]
    Feb 2, 2015, 05:13:36 PM    /Library/Logs/DiagnosticReports/com.apple.WebKit.WebContent_2015-02-02-171336_[ redacted].cpu_resource.diag [Click for details]
    Feb 2, 2015, 04:19:23 PM    /Library/Logs/DiagnosticReports/com.apple.WebKit.WebContent_2015-02-02-161923_[ redacted].cpu_resource.diag [Click for details]
    Feb 2, 2015, 03:12:27 PM    /Library/Logs/DiagnosticReports/com.apple.WebKit.WebContent_2015-02-02-151227_[ redacted].cpu_resource.diag [Click for details]
    Feb 2, 2015, 03:12:22 PM    /Library/Logs/DiagnosticReports/com.apple.WebKit.WebContent_2015-02-02-151222_[ redacted].cpu_resource.diag [Click for details]

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EtreCheck version: 1.9.12 (48)
Report generated 17 Jun 2014 08:24:26 GMT+2
Hardware Information:
          MacBook Pro (13-inch, Mid 2012) (Verified)
          MacBook Pro - model: MacBookPro9,2
          1 2.5 GHz Intel Core i5 CPU: 2 cores
          4 GB RAM
Video Information:
          Intel HD Graphics 4000 - VRAM: (null)
                    Color LCD 1280 x 800
System Software:
          OS X 10.9.3 (13D65) - Uptime: 1 day 0:37:38
Disk Information:
          APPLE HDD TOSHIBA MK5065GSXF disk0 : (500,11 GB)
                    EFI (disk0s1) <not mounted>: 209,7 MB
                    Macintosh HD (disk0s2) / [Startup]: 499,25 GB (287,47 GB free)
                    Recovery HD (disk0s3) <not mounted>: 650 MB
          OPTIARC DVD RW AD-5970H
USB Information:
          Apple Inc. FaceTime HD Camera (Built-in)
          Apple Computer, Inc. IR Receiver
          Apple Inc. BRCM20702 Hub
                    Apple Inc. Bluetooth USB Host Controller
          Apple Inc. Apple Internal Keyboard / Trackpad
Thunderbolt Information:
          Apple Inc. thunderbolt_bus
Configuration files:
          /etc/hosts - Count: 15
Gatekeeper:
          Anywhere
Kernel Extensions:
          [loaded] com.Cycling74.driver.Soundflower (1.6.2 - SDK 10.6) Support
          [not loaded] com.anchorfree.tun (1.1.1 - SDK 10.8) Support
          [not loaded] com.iospirit.driver.RBTSRPlugin (1.18 - SDK 10.6) Support
          [loaded] com.iospirit.driver.rbiokithelper (1.21 - SDK 10.6) Support
          [loaded] com.manycamllc.driver.ManyCamDriver (0.0.9 - SDK 10.5) Support
          [not loaded] com.paceap.kext.pacesupport.leopard (5.8 - SDK 10.4) Support
          [not loaded] com.paceap.kext.pacesupport.master (5.8) Support
          [not loaded] com.paceap.kext.pacesupport.panther (5.8 - SDK 10.3) Support
          [loaded] com.paceap.kext.pacesupport.snowleopard (5.8 - SDK 10.6) Support
          [not loaded] com.paceap.kext.pacesupport.tiger (5.8 - SDK 10.4) Support
          [not loaded] com.roxio.BluRaySupport (1.1.6) Support
          [not loaded] com.roxio.TDIXController (2.0) Support
          [loaded] com.waves.driver.soundgrid (2.0.0) Support
          [loaded] net.osculator.driver.OSCulatorIOKit (2.0 - SDK 10.5) Support
          [loaded] org.virtualbox.kext.VBoxDrv (4.2.16) Support
          [not loaded] org.virtualbox.kext.VBoxNetAdp (4.2.16) Support
          [not loaded] org.virtualbox.kext.VBoxNetFlt (4.2.16) Support
          [loaded] org.virtualbox.kext.VBoxUSB (4.2.16) Support
Startup Items:
          PACESupport: Path: /Library/StartupItems/PACESupport
Launch Daemons:
          [loaded] com.adobe.fpsaud.plist Support
          [loaded] com.adobe.SwitchBoard.plist Support
          [loaded] com.anchorfree.ajaxserver.plist Support
          [loaded] com.google.keystone.daemon.plist Support
          [loaded] com.iospirit.candelair.daemon.plist Support
          [loaded] com.iospirit.candelair.sync.plist Support
          [loaded] com.microsoft.office.licensing.helper.plist Support
          [running] com.paceap.eden.licensed.plist Support
          [running] com.waves.daemon.SoundGridProtocolService.plist Support
          [loaded] net.sourceforge.MonolingualHelper.plist Support
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          [loaded] com.adobe.CS5ServiceManager.plist Support
          [loaded] com.google.keystone.agent.plist Support
          [running] net.culater.SIMBL.Agent.plist Support
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          [running] org.tigris.scplugin.launch.plist Support
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          [not loaded] org.virtualbox.vboxwebsrv.plist Support
User Login Items:
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Internet Plug-ins:
          Flip4Mac WMV Plugin: Version: 3.0.0.126   - SDK 10.8 Support
          FlashPlayer-10.6: Version: 13.0.0.214 - SDK 10.6 Support
          Default Browser: Version: 537 - SDK 10.9
          Flash Player: Version: 13.0.0.214 - SDK 10.6 Outdated! Update
          QuickTime Plugin: Version: 7.7.3
          o1dbrowserplugin: Version: 5.4.2.18903 Support
          zako: Version: zako 1.0.0.0 - SDK 10.8 Support
          SharePointBrowserPlugin: Version: 14.0.0 Support
          googletalkbrowserplugin: Version: 5.4.2.18903 Support
          Silverlight: Version: 5.1.10411.0 - SDK 10.6 Support
          JavaAppletPlugin: Version: Java 7 Update 21 Check version
Safari Extensions:
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          AdBlock: Version: 2.6.0
Audio Plug-ins:
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          AirPlay: Version: 2.0 - SDK 10.9
          AppleAVBAudio: Version: 203.2 - SDK 10.9
          iSightAudio: Version: 7.7.3 - SDK 10.9
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          Quartz Composer Visualizer: Version: 1.4 - SDK 10.9
User Internet Plug-ins:
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          Google Earth Web Plug-in: Version: 7.1 Support
3rd Party Preference Panes:
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          Growl Support
Time Machine:
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Top Processes by CPU:
               3%          SGProtocolService
               2%          codesign
               2%          VLC
               1%          coreaudiod
               1%          CVMCompiler
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          127 MB          Google Chrome
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          60 MB          WindowServer
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          1.15 GB          Active RAM
          913 MB          Inactive RAM
          661 MB          Wired RAM
          2.61 GB          Page-ins
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