The etrecheck report as below:
EtreCheck version: 2.1.5 (108)
Report generated 9 January 2015 14:39:13 CET
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Click the [Details] links for more information about that line.
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Hardware Information: ℹ️
MacBook (13-inch Late 2007) (Verified)
MacBook - model: MacBook3,1
1 2 GHz Intel Core 2 Duo CPU: 2-core
1 GB RAM
BANK 0/DIMM0
512 MB DDR2 SDRAM 667 MHz ok
BANK 1/DIMM1
512 MB DDR2 SDRAM 667 MHz ok
Bluetooth: Old - Handoff/Airdrop2 not supported
Wireless: en1: 802.11 a/b/g/n
Video Information: ℹ️
GMA X3100 - VRAM: 144 MB
Color LCD 1280 x 800
spdisplays_display_connector
System Software: ℹ️
Mac OS X 10.6.8 (10K549) - Uptime: 22:16:34
Disk Information: ℹ️
Hitachi HTS542580K9SA00 disk0 : (74.53 GB)
- (disk0s1) <not mounted> : 210 MB
Mac Hardrive (disk0s2) / : 79.68 GB (35.86 GB free)
USB Information: ℹ️
Micron Built-in iSight
Apple Inc. Apple Internal Keyboard / Trackpad
Apple Computer, Inc. IR Receiver
Apple Inc. Bluetooth USB Host Controller
Kernel Extensions: ℹ️
/System/Library/Extensions
[not loaded] com.ZTE.driver.ZTEUSBCDCACMData (1.3.13) [Support]
[not loaded] com.ZTE.driver.ZTEUSBMassStorageFilter (1.3.13) [Support]
[not loaded] com.novatelwireless.kext.wwan (3.0.23) [Support]
[not loaded] com.seagate.driver.PowSecDriverCore (5.2.6 - SDK 10.4) [Support]
[not loaded] com.sierrawireless.driver.SierraDIPSupport (1.0.0) [Support]
[not loaded] com.sierrawireless.driver.SierraFSRSupport (3.0.0) [Support]
[not loaded] com.sierrawireless.driver.SierraHSRSupport (3.0.0) [Support]
[not loaded] com.sierrawireless.driver.SierraIPDirect (1.1.4) [Support]
/System/Library/Extensions/NovatelWirelessWWAN.kext/Contents/Plugins
[not loaded] com.NovatelWireless.driver.NovatelWirelessUSBCDCECMControl (3.0.23) [Support]
[not loaded] com.NovatelWireless.driver.NovatelWirelessUSBCDCECMData (3.0.23) [Support]
[not loaded] com.novatelwireless.driver.3G (3.0.23) [Support]
[not loaded] com.novatelwireless.driver.3GData (3.0.23) [Support]
[not loaded] com.novatelwireless.driver.DisableAutoInstall (3.0.23) [Support]
[not loaded] com.novatelwireless.driver.NWVBE (3.0.23) [Support]
/System/Library/Extensions/Seagate Storage Driver.kext/Contents/PlugIns
[not loaded] com.seagate.driver.PowSecLeafDriver_10_4 (5.2.6 - SDK 10.4) [Support]
[not loaded] com.seagate.driver.PowSecLeafDriver_10_5 (5.2.6 - SDK 10.5) [Support]
[not loaded] com.seagate.driver.SeagateDriveIcons (5.2.6 - SDK 10.4) [Support]
Startup Items: ℹ️
GT Network Tuning: Path: /System/Library/StartupItems/GT Network Tuning
NMPCCardDaemonVMC: Path: /System/Library/StartupItems/NMPCCardDaemonVMC
NMPPPMonitor: Path: /System/Library/StartupItems/NMPPPMonitor
HWNetMgr: Path: /Library/StartupItems/HWNetMgr
HWPortDetect: Path: /Library/StartupItems/HWPortDetect
MobileBrServ: Path: /Library/StartupItems/MobileBrServ
Startup items are obsolete in OS X Yosemite
Problem System Launch Daemons: ℹ️
[running] com.seagate.TBDecorator.plist [Support]
[not loaded] org.samba.winbindd.plist [Support]
Launch Agents: ℹ️
[loaded] com.divx.dms.agent.plist [Support]
[loaded] com.divx.update.agent.plist [Support]
[running] com.rosettastone.rosettastonedaemon.plist [Support]
[running] com.trusteer.rapport.rapportd.plist [Support]
Launch Daemons: ℹ️
[loaded] com.adobe.fpsaud.plist [Support]
[running] com.sierrawireless.SwitchTool.plist [Support]
[running] com.trusteer.rooks.rooksd.plist [Support]
User Launch Agents: ℹ️
[loaded] com.adobe.ARM.[...].plist [Support]
[loaded] com.google.keystone.agent.plist [Support]
[running] com.spotify.webhelper.plist [Support]
User Login Items: ℹ️
SanDiskSecureAccess_Manager UNKNOWN (missing value)
AdobeResourceSynchronizer ApplicationHidden (/Applications/Adobe Reader.app/Contents/Support/AdobeResourceSynchronizer.app)
Google Drive UNKNOWN (missing value)
Google Chrome ApplicationHidden (/Applications/Google Chrome.app)
Internet Plug-ins: ℹ️
OVSHelper: Version: 1.1 [Support]
Google Earth Web Plug-in: Version: 5.1 [Support]
Flip4Mac WMV Plugin: Version: 2.4.4.2 [Support]
AdobePDFViewerNPAPI: Version: 10.1.13 [Support]
FlashPlayer-10.6: Version: 15.0.0.246 - SDK 10.6 [Support]
DivX Web Player: Version: 3.2.4.1250 - SDK 10.6 [Support]
Silverlight: Version: 5.1.30514.0 - SDK 10.6 [Support]
Flash Player: Version: 15.0.0.246 - SDK 10.6 Mismatch! Adobe recommends 16.0.0.235
QuickTime Plugin: Version: 7.6.6
iPhotoPhotocast: Version: 7.0
AdobePDFViewer: Version: 10.1.13 [Support]
JavaAppletPlugin: Version: 13.9.8 - SDK 10.6 Check version
User internet Plug-ins: ℹ️
Picasa: Version: 1.0 [Support]
RealPlayer Plugin: Version: Unknown
Audio Plug-ins: ℹ️
iSightAudio: Version: 7.6.6
3rd Party Preference Panes: ℹ️
Flash Player [Support]
Flip4Mac WMV [Support]
Perian [Support]
Seagate Dashboard for Mac OSX [Support]
Trusteer Endpoint Protection [Support]
Time Machine: ℹ️
Time Machine information requires OS X 10.7 "Lion" or later.
Top Processes by CPU: ℹ️
4% WindowServer
0% mbbservice
0% fontd
0% ps
0% SystemUIServer
Top Processes by Memory: ℹ️
146 MB Google Chrome
30 MB Google Chrome Helper
27 MB WindowServer
26 MB Finder
24 MB rapportd
Virtual Memory Information: ℹ️
41 MB Free RAM
504 MB Active RAM
245 MB Inactive RAM
282 MB Wired RAM
26.95 GB Page-ins
98 MB Page-outs
Diagnostics Information: ℹ️
Jan 8, 2015, 04:23:18 PM Self test - passed