Can anyone suggest what you may make of the following report any help would be welcome
EtreCheck version: 2.9.12 (265)
Report generated 2016-05-04 15:18:21
Download EtreCheck from https://etrecheck.com
Runtime 2:50
Performance: Excellent
Click the [Support] links for help with non-Apple products.
Click the [Details] links for more information about that line.
Problem: Beachballing
Hardware Information: ⓘ
iMac (27-inch, Late 2012)
[Technical Specifications] - [User Guide] - [Warranty & Service]
iMac - model: iMac13,2
1 2.9 GHz Intel Core i5 CPU: 4-core
8 GB RAM Upgradeable - [Instructions]
BANK 0/DIMM0
4 GB DDR3 1600 MHz ok
BANK 1/DIMM0
4 GB DDR3 1600 MHz ok
BANK 0/DIMM1
Empty
BANK 1/DIMM1
Empty
Bluetooth: Good - Handoff/Airdrop2 supported
Wireless: en1: 802.11 a/b/g/n
Video Information: ⓘ
NVIDIA GeForce GTX 660M - VRAM: 512 MB
iMac 2560 x 1440
System Software: ⓘ
OS X Yosemite 10.10.3 (14D136) - Time since boot: about 3 hours
Disk Information: ⓘ
APPLE HDD WDC WD10EALX-408EA0 disk0 : (1 TB) (Rotational)
EFI (disk0s1) <not mounted> : 210 MB
Macintosh HD (disk0s2) / : 999.35 GB (878.08 GB free) - 122 errors
Drive failure!
Recovery HD (disk0s3) <not mounted> [Recovery]: 650 MB
USB Information: ⓘ
Canon MX920 series
Apple Inc. FaceTime HD Camera (Built-in)
Apple Inc. BRCM20702 Hub
Apple Inc. Bluetooth USB Host Controller
Thunderbolt Information: ⓘ
Apple Inc. thunderbolt_bus
Gatekeeper: ⓘ
Mac App Store and identified developers
Kernel Extensions: ⓘ
/System/Library/Extensions
[not loaded] com.tomtom.driver.UsbEthernetGadget (1.0.0d1 - 2016-02-03) [Support]
System Launch Agents: ⓘ
[not loaded] 5 Apple tasks
[loaded] 145 Apple tasks
[running] 61 Apple tasks
System Launch Daemons: ⓘ
[failed] com.apple.systemstatsd.plist
[not loaded] 47 Apple tasks
[loaded] 134 Apple tasks
[running] 79 Apple tasks
Launch Daemons: ⓘ
[loaded] com.adobe.fpsaud.plist (2016-04-15) [Support]
[failed] com.apple.spirecorder.plist
[loaded] com.microsoft.office.licensingV2.helper.plist (2015-12-06) [Support]
User Launch Agents: ⓘ
[loaded] com.google.keystone.agent.plist (2016-03-03) [Support]
User Login Items: ⓘ
TomTomMyDriveConnectHelper Application (/Applications/TomTom MyDrive Connect.app/Contents/MacOS/TomTomMyDriveConnectHelper.app)
iTunesHelper Application (/Applications/iTunes.app/Contents/MacOS/iTunesHelper.app)
Other Apps: ⓘ
[running] jp.co.canon.ij.ica.scanner5.18208.E0AE9CFB-7853-49FB-B0AA-8ED9A22208B1
[loaded] 361 Apple tasks
[running] 166 Apple tasks
Internet Plug-ins: ⓘ
FlashPlayer-10.6: 21.0.0.226 - SDK 10.6 (2016-04-24) [Support]
Flash Player: 21.0.0.226 - SDK 10.6 (2016-04-24) [Support]
QuickTime Plugin: 7.7.3 (2015-12-31)
Default Browser: 600 - SDK 10.10 (2015-12-31)
3rd Party Preference Panes: ⓘ
Flash Player (2016-04-15) [Support]
Time Machine: ⓘ
Time Machine not configured!
Top Processes by CPU: ⓘ
61% mdworker(8)
3% WindowServer
3% mds
2% fontd
2% sysmond
Top Processes by Memory: ⓘ
1.30 GB Google Chrome Helper(6)
918 MB Safari
770 MB com.apple.WebKit.WebContent(5)
650 MB kernel_task
467 MB softwareupdated
Virtual Memory Information: ⓘ
1.30 GB Free RAM
6.69 GB Used RAM (1.75 GB Cached)
0 B Swap Used
Diagnostics Information: ⓘ
May 4, 2016, 11:33:20 AM Self test - passed
