Strandballen, traag, crash

EtreCheck version: 2.1.8 (121)
Report generated 4 april 2015 23:45:58 CEST
Hardware Information: ??
MacBook Pro (13-inch, Mid 2012) (Technical Specifications)
MacBook Pro - model: MacBookPro9,2
1 2.5 GHz Intel Core i5 CPU: 2-core
4 GB RAM Upgradeable
BANK 0/DIMM0
2 GB DDR3 1600 MHz ok
BANK 1/DIMM0
2 GB DDR3 1600 MHz ok
Bluetooth: Good - Handoff/Airdrop2 supported
Wireless: en1: 802.11 a/b/g/n
Battery Health: Normal - Cycle count 495

Video Information: ??
Intel HD Graphics 4000
Color LCD 1280 x 800

System Software: ??
OS X 10.10.2 (14C1514) - Time since boot: 0:10:6

Disk Information: ??
APPLE HDD ST500LM012 disk0 : (500,11 GB)
EFI (disk0s1) : 210 MB
Recovery HD (disk0s3) [Recovery]: 650 MB
Macintosh HD (disk1) / : 498.88 GB (371.12 GB free)
Core Storage: disk0s2 499.25 GB Online

MATSHITADVD-R UJ-8A8

USB Information: ??
Apple Inc. FaceTime HD Camera (Built-in)
Apple Computer, Inc. IR Receiver
Apple Inc. Apple Internal Keyboard / Trackpad
Apple Inc. BRCM20702 Hub
Apple Inc. Bluetooth USB Host Controller

Thunderbolt Information: ??
Apple Inc. thunderbolt_bus

Gatekeeper: ??
Mac App Store and identified developers

Launch Agents: ??
[loaded] com.cisco.anyconnect.gui.plist [Click for support]
[loaded] com.citrix.AuthManager_Mac.plist [Click for support]
[running] com.citrix.ReceiverHelper.plist [Click for support]
[running] com.citrix.ServiceRecords.plist [Click for support]
[loaded] com.google.keystone.agent.plist [Click for support]

Launch Daemons: ??
[loaded] com.adobe.fpsaud.plist [Click for support]
[running] com.cisco.anyconnect.vpnagentd.plist [Click for support]
[loaded] com.google.keystone.daemon.plist [Click for support]
[loaded] com.microsoft.office.licensing.helper.plist [Click for support]
[loaded] com.sharpcast.xfsmond.plist [Click for support]

User Launch Agents: ??
[running] com.spotify.webhelper.plist [Click for support]

User Login Items: ??
Safari Programma (/Applications/Safari.app)

Internet Plug-ins: ??
FlashPlayer-10.6: Version: 16.0.0.305 - SDK 10.6 [Click for support]
QuickTime Plugin: Version: 7.7.3
Flash Player: Version: 16.0.0.305 - SDK 10.6 Outdated! Update
Default Browser: Version: 600 - SDK 10.10
o1dbrowserplugin: Version: 5.40.2.0 - SDK 10.8 [Click for support]
CitrixICAClientPlugIn: Version: 11.8.2 - SDK 10.7 [Click for support]
SharePointBrowserPlugin: Version: 14.1.3 - SDK 10.6 [Click for support]
googletalkbrowserplugin: Version: 5.40.2.0 - SDK 10.8 [Click for support]
Silverlight: Version: 5.1.20913.0 - SDK 10.6 [Click for support]

User internet Plug-ins: ??
Picasa: Version: 1.0 - SDK 10.4 [Click for support]

Safari Extensions: ??
Evernote Web Clipper

3rd Party Preference Panes: ??
Flash Player [Click for support]
FUSE for OS X (OSXFUSE) [Click for support]

Time Machine: ??
Mobile backups: OFF
Auto backup: NO - Auto backup turned off
Volumes being backed up:
Macintosh HD: Disk size: 498.88 GB Disk used: 127.76 GB
Destinations:
Data [Network]
Total size: 2.00 TB
Total number of backups: 32
Oldest backup: 2014-10-28 19:26:37 +0000
Last backup: 2015-04-04 15:19:03 +0000
Size of backup disk: Excellent
Backup size 2.00 TB > (Disk size 498.88 GB X 3)

Top Processes by CPU: ??
5% WindowServer
3% mds
2% hidd
1% Safari
0% AppleSpell

Top Processes by Memory: ??
146 MB Safari
103 MB ocspd
56 MB coreservicesd
56 MB WindowServer
52 MB mds_stores

Virtual Memory Information: ??
240 MB Free RAM
1.77 GB Active RAM
1.51 GB Inactive RAM
774 MB Wired RAM
1.10 GB Page-ins
29 KB Page-outs

Diagnostics Information: ??
Apr 4, 2015, 11:34:30 PM Self test - passed
Apr 4, 2015, 02:21:30 PM /Users/[redacted]/Library/Logs/DiagnosticReports/com.apple.WebKit.WebContent_2015-04-04-142130_[redacted].crash
Apr 3, 2015, 04:02:48 PM /Users/[redacted]/Library/Logs/DiagnosticReports/com.apple.WebKit.WebContent_2015-04-03-160248_[redacted].crash