Recently, my iMac has started to run quite slowly. However, I appear to still have about 40% of my disk space free.

Problem description:

Recently, my iMac has started to run quite slowly. Any thoughts as to what would cause this? I appear to still have 40% or more of my disk space free.

EtreCheck version: 2.2 (132)

Report generated 5/27/15 3:49 PM

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Hardware Information: ℹ️

iMac (20-inch Late 2006) (Verified)

iMac - model: iMac5,1

1 2.16 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

ATY,RadeonX1600 - VRAM: 128 MB

iMac 1280 x 800

spdisplays_display_connector

System Software: ℹ️

Mac OS X 10.6.8 (10K549) - Time since boot: 0:15:44

Disk Information: ℹ️

ST3250824AS Q disk0 : (232.89 GB)

- (disk0s1) <not mounted> : 210 MB

Macintosh HD (disk0s2) / : 249.72 GB (111.10 GB free)

USB Information: ℹ️

Micron Built-in iSight

Apple, Inc. Keyboard Hub

Primax Electronics Apple Optical USB Mouse

Apple, Inc Apple Keyboard

Hewlett-Packard HP LaserJet CP1025nw

Apple Inc. Bluetooth USB Host Controller

Apple Computer, Inc. IR Receiver

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]

[running] com.hp.devicemonitor.plist [Click for support]

[loaded] com.hp.messagecenter.launcher.plist [Click for support]

Launch Daemons: ℹ️

[running] com.fitbit.galileod.plist [Click for support]

[loaded] com.google.keystone.daemon.plist [Click for support]

User Login Items: ℹ️

GrowlHelperApp Application (/Library/PreferencePanes/Growl.prefPane/Contents/Resources/GrowlHelperApp.app)

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

Microsoft AU Daemon Application (/Applications/Microsoft AutoUpdate.app/Contents/MacOS/Microsoft AU Daemon.app)

Internet Plug-ins: ℹ️

Flip4Mac WMV Plugin: Version: 2.4.0.11 [Click for support]

FlashPlayer-10.6: Version: 11.1.102.55 [Click for support]

JavaAppletPlugin: Version: 13.6.0 - SDK 10.6 Check version

Flash Player: Version: 11.1.102.55 Outdated! Update

QuickTime Plugin: Version: 7.6.6

Silverlight: Version: 4.0.60531.0 [Click for support]

iPhotoPhotocast: Version: 7.0

Audio Plug-ins: ℹ️

iSightAudio: Version: 7.6.6

3rd Party Preference Panes: ℹ️

Flash Player [Click for support]

Flip4Mac WMV [Click for support]

Growl [Click for support]

Time Machine: ℹ️

Time Machine information requires OS X 10.7 "Lion" or later.

Top Processes by CPU: ℹ️

16% HP Device Monitor

1% WindowServer

1% fontd

0% mds

0% usbmuxd

Top Processes by Memory: ℹ️

67 MB mds

33 MB HP Device Monitor

33 MB Finder

29 MB WindowServer

28 MB mdworker(2)

Virtual Memory Information: ℹ️

310 MB Free RAM

712 MB Used RAM

1 MB Swap Used

Diagnostics Information: ℹ️

May 27, 2015, 03:33:09 PM Self test - passed