can you help please my mac has started running very slow .
downloaded etrecheck and got this
Problem description:
Running slow , keeps freezing
EtreCheck version: 2.1.8 (121)
Report generated 3 February 2015 20:10:34 GMT
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 Pro (13-inch, Late 2011) (Technical Specifications)
MacBook Pro - model: MacBookPro8,1
1 2.8 GHz Intel Core i7 CPU: 2-core
4 GB RAM
BANK 0/DIMM0
2 GB DDR3 1333 MHz ok
BANK 1/DIMM0
2 GB DDR3 1333 MHz ok
Bluetooth: Old - Handoff/Airdrop2 not supported
Wireless: en1: 802.11 a/b/g/n
Battery Health: Normal - Cycle count 200
Video Information: ℹ️
Intel HD Graphics 3000 - VRAM: 384 MB
Color LCD 1280 x 800
System Software: ℹ️
Mac OS X 10.7.5 (11G63) - Time since boot: one day 21:54:36
Disk Information: ℹ️
TOSHIBA MK7559GSXF disk0 : (750.16 GB)
disk0s1 (disk0s1) <not mounted> : 210 MB
Macintosh HD (disk0s2) / : 749.30 GB (474.48 GB free) - 105 errors
Recovery HD (disk0s3) <not mounted> [Recovery]: 650 MB
MATSHITADVD-R UJ-8A8
USB Information: ℹ️
Apple Inc. BRCM2070 Hub
Apple Inc. Bluetooth USB Host Controller
Apple Inc. Apple Internal Keyboard / Trackpad
Apple Inc. FaceTime HD Camera (Built-in)
Apple Computer, Inc. IR Receiver
Thunderbolt Information: ℹ️
Apple, Inc. MacBook Pro
Kernel Extensions: ℹ️
/System/Library/Extensions
[not loaded] com.caiaq.driver.NIUSBAudio2DJDriver (2.4.23) [Click for support]
[not loaded] com.caiaq.driver.NIUSBAudio4DJDriver (2.4.23) [Click for support]
[not loaded] com.caiaq.driver.NIUSBHardwareDriver (2.4.23) [Click for support]
[not loaded] com.caiaq.driver.NIUSBTraktorAudio2Driver (2.4.23) [Click for support]
[not loaded] com.caiaq.driver.NIUSBTraktorKontrolS4Driver (2.4.23) [Click for support]
[not loaded] com.caiaq.driver.NIUSBTraktorKontrolX1Driver (2.4.21) [Click for support]
[not loaded] com.native-instruments.driver.NIUSBDeviceHelper (1.0.8) [Click for support]
[loaded] com.sophos.kext.sav (9.2.0 - SDK 10.8) [Click for support]
[loaded] com.sophos.nke.swi (9.2.0 - SDK 10.8) [Click for support]
Launch Agents: ℹ️
[loaded] com.divx.dms.agent.plist [Click for support]
[loaded] com.divx.update.agent.plist [Click for support]
[loaded] com.oracle.java.Java-Updater.plist [Click for support]
[running] com.sophos.uiserver.plist [Click for support]
Launch Daemons: ℹ️
[loaded] com.adobe.fpsaud.plist [Click for support]
[loaded] com.macpaw.CleanMyMac2.Agent.plist [Click for support]
[loaded] com.metamuse.kjams.plist [Click for support]
[loaded] com.oracle.java.Helper-Tool.plist [Click for support]
[running] com.sophos.common.servicemanager.plist [Click for support]
User Launch Agents: ℹ️
[loaded] com.macpaw.CleanMyMac2Helper.scheduledScan.plist [Click for support]
[loaded] com.macpaw.CleanMyMac2Helper.trashWatcher.plist [Click for support]
[running] com.plexapp.helper.plist [Click for support]
[running] com.spotify.webhelper.plist [Click for support]
User Login Items: ℹ️
iTunesHelper Application (/Applications/iTunes.app/Contents/MacOS/iTunesHelper.app)
uTorrent Application (/Applications/uTorrent.app)
TomTomHOMERunner Application Hidden (/Users/[redacted]/Library/Application Support/TomTom HOME/TomTomHOMERunner.app)
Spotify Application (/Applications/Spotify.app)
VLC Application (/Users/[redacted]/Desktop/VLC.app)
App Store Application (/Applications/App Store.app)
Sophos Anti-Virus Application (/Applications/Sophos Anti-Virus.app)
Internet Plug-ins: ℹ️
FlashPlayer-10.6: Version: 16.0.0.296 - SDK 10.6 [Click for support]
DivX Web Player: Version: 3.2.1.977 - SDK 10.6 [Click for support]
Flash Player: Version: 16.0.0.296 - SDK 10.6 [Click for support]
OVSHelper: Version: 1.1 [Click for support]
QuickTime Plugin: Version: 7.7.1
Unity Web Player: Version: UnityPlayer version 4.3.7f1 - SDK 10.6 [Click for support]
Silverlight: Version: 5.1.30514.0 - SDK 10.6 [Click for support]
JavaAppletPlugin: Version: Java 7 Update 40 Check version
Safari Extensions: ℹ️
MacVaX
Searchme [Adware! - Remove]
Slick Savings [Adware! - Remove]
iMedia Converter Deluxe
Amazon Shopping Assistant [Adware! - Remove]
Ebay Shopping Assistant [Adware! - Remove]
Audio Plug-ins: ℹ️
DVCPROHDAudio: Version: 1.3.2
3rd Party Preference Panes: ℹ️
Flash Player [Click for support]
Java [Click for support]
Native Instruments USB Audio [Click for support]
Time Machine: ℹ️
Time Machine not configured!
Top Processes by CPU: ℹ️
13% firefox
8% coreaudiod
2% WindowServer
2% VLC
0% fontd
Top Processes by Memory: ℹ️
520 MB firefox
176 MB SophosScanD
168 MB InterCheck
103 MB mds
103 MB SophosAntiVirus
Virtual Memory Information: ℹ️
164 MB Free RAM
1.94 GB Active RAM
1.16 GB Inactive RAM
1.03 GB Wired RAM
2.64 GB Page-ins
446 MB Page-outs
Diagnostics Information: ℹ️
Feb 2, 2015, 01:02:27 AM /Library/Logs/CrashReporter/SophosAVAgent_2015-02-02-010227_[redacted].crash
Feb 2, 2015, 01:02:27 AM /Library/Logs/DiagnosticReports/SophosAVAgent_2015-02-02-010227_[redacted].cras h
Feb 1, 2015, 10:15:28 PM Self test - passed