I have to note here that when I launch Activity Monitor- for some reason this computer has loads of inactive processes running ALL THE TIME, when my other computers do not have this problem.
Here is the EtreCheck:
EtreCheck version: 2.1.8 (121)
Report generated March 21, 2015 2:00:51 AM GMT+09:00
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
iMac (20-inch, Early 2008) (Verified)
iMac - model: iMac8,1
1 2.66 GHz Intel Core 2 Duo CPU: 2-core
2 GB RAM
BANK 0/DIMM0
1 GB DDR2 SDRAM 800 MHz ok
BANK 1/DIMM1
1 GB DDR2 SDRAM 800 MHz ok
Bluetooth: Old - Handoff/Airdrop2 not supported
Wireless: en1: 802.11 a/b/g/n
Video Information: ℹ️
ATI Radeon HD 2600 Pro - VRAM: 256 MB
iMac 1680 x 1050
spdisplays_display_connector
System Software: ℹ️
Mac OS X 10.6.8 (10K549) - Time since boot: 4:12:32
Disk Information: ℹ️
Hitachi HDT721032SLA380 disk0 : (298.09 GB)
- (disk0s1) <not mounted> : 210 MB
venus (disk0s2) / : 319.73 GB (216.84 GB free)
USB Information: ℹ️
Apple Inc. Built-in iSight
Apple, Inc. Keyboard Hub
Primax Electronics Apple Optical USB Mouse
Apple Inc. Apple Keyboard
Apple Computer, Inc. IR Receiver
Apple Inc. BRCM2046 Hub
Apple Inc. Bluetooth USB Host Controller
Kernel Extensions: ℹ️
/Library/Application Support/Hotspot Shield
[not loaded] com.anchorfree.tun (1.1.1 - SDK 10.8) [Click for support]
Problem System Launch Daemons: ℹ️
[not loaded] org.samba.winbindd.plist [Click for support]
Launch Agents: ℹ️
[loaded] com.google.keystone.agent.plist [Click for support]
Launch Daemons: ℹ️
[loaded] com.adobe.fpsaud.plist [Click for support]
[running] com.anchorfree.ajaxserver.plist [Click for support]
[loaded] com.cyberghostsrl.CyberghostPrivilegedHelper.plist [Click for support]
[loaded] com.google.keystone.daemon.plist [Click for support]
[failed] com.sec.faxdb.plist [Click for support] [Click for details]
User Launch Agents: ℹ️
[not loaded] com.spotify.webhelper.plist [Click for support]
User Login Items: ℹ️
iTunesHelper Application (/Applications/iTunes.app/Contents/MacOS/iTunesHelper.app)
Google Chrome Application (/Applications/Google Chrome.app)
Hotspot Shield Application (/Applications/Hotspot Shield.app)
Internet Plug-ins: ℹ️
JavaAppletPlugin: Version: Unknown Check version
FlashPlayer-10.6: Version: 11.3.300.257 [Click for support]
QuickTime Plugin: Version: 7.6.6
Flash Player: Version: 11.3.300.257 Outdated! Update
o1dbrowserplugin: Version: 5.38.6.0 - SDK 10.8 [Click for support]
googletalkbrowserplugin: Version: 5.38.6.0 - SDK 10.8 [Click for support]
Silverlight: Version: 4.1.10329.0 [Click for support]
iPhotoPhotocast: Version: 7.0
Audio Plug-ins: ℹ️
DVCPROHDAudio: Version: 1.3.2
iSightAudio: Version: 7.6.6
3rd Party Preference Panes: ℹ️
Flash Player [Click for support]
Time Machine: ℹ️
Time Machine information requires OS X 10.7 "Lion" or later.
Top Processes by CPU: ℹ️
2% Google Chrome
1% WindowServer
0% activitymonitord
0% ps
0% fontd
Top Processes by Memory: ℹ️
99 MB Google Chrome
37 MB Google Chrome Helper
30 MB WindowServer
30 MB Finder
21 MB mds
Virtual Memory Information: ℹ️
102 MB Free RAM
1.28 GB Active RAM
482 MB Inactive RAM
278 MB Wired RAM
3.64 GB Page-ins
1.37 GB Page-outs
Diagnostics Information: ℹ️
Mar 20, 2015, 09:45:49 PM Self test - passed
Mar 19, 2015, 01:21:16 AM /Library/Logs/DiagnosticReports/Keynote_2015-03-19-012116_[redacted].hang
Mar 19, 2015, 01:21:13 AM /Library/Logs/DiagnosticReports/iDVD_2015-03-19-012113_[redacted].hang