After yosemity upgrade i keep getting the spinning wheel over and over again

Problem description:

Since Yosemite upgrade I constantly get the spinning wheel.

EtreCheck version: 2.0.6 (91)

Report generated 25 oktober 2014 19:35:29 CEST

Hardware Information: ℹ️

iMac (27-inch, Late 2012) (Verified)

iMac - model: iMac13,2

1 3.2 GHz Intel Core i5 CPU: 4-core

8 GB RAM Upgradeable

BANK 0/DIMM0

4 GB DDR3 1600 MHz ok

BANK 1/DIMM0

4 GB DDR3 1600 MHz ok

BANK 0/DIMM1

empty empty empty empty

BANK 1/DIMM1

empty empty empty empty

Bluetooth: Good - Handoff/Airdrop2 supported

Wireless: en1: 802.11 a/b/g/n

Video Information: ℹ️

NVIDIA GeForce GTX 680MX - VRAM: 2048 MB

iMac 2560 x 1440

System Software: ℹ️

OS X 10.10 (14A389) - Uptime: 3:31:24

Disk Information: ℹ️

APPLE HDD ST3000DM001 disk1 : (3 TB)

S.M.A.R.T. Status: Verified

EFI (disk1s1) <not mounted> : 210 MB

Recovery HD (disk1s3) <not mounted> [Recovery]: 650 MB

Boot OS X (disk1s5) <not mounted> : 134 MB

Macintosh HD (disk2) / [Startup]: 3 TB (3 TB free)

Core Storage: disk0s2 120.99 GB Online

Core Storage: disk1s2 2 TB Online

Core Storage: disk1s4 801.44 GB Online

Macintosh HD (disk2) / [Startup]: 3 TB (3 TB free)

Core Storage: disk0s2 120.99 GB Online

Core Storage: disk1s2 2 TB Online

Core Storage: disk1s4 801.44 GB Online

APPLE SSD SM128E disk0 : (121,33 GB)

S.M.A.R.T. Status: Verified

EFI (disk0s1) <not mounted> : 210 MB

Boot OS X (disk0s3) <not mounted> : 134 MB

Macintosh HD (disk2) / [Startup]: 3 TB (3 TB free)

Core Storage: disk0s2 120.99 GB Online

Core Storage: disk1s2 2 TB Online

Core Storage: disk1s4 801.44 GB Online

USB Information: ℹ️

Apple Inc. BRCM20702 Hub

Apple Inc. Bluetooth USB Host Controller

Apple, Inc. Keyboard Hub

Apple Inc. Apple Keyboard

Apple Inc. FaceTime HD Camera (Built-in)

Thunderbolt Information: ℹ️

Apple Inc. thunderbolt_bus

Gatekeeper: ℹ️

Mac App Store and identified developers

Kernel Extensions: ℹ️

/System/Library/Extensions

[loaded] com.nvidia.CUDA (1.1.0) Support

Launch Agents: ℹ️

[not loaded] com.adobe.AAM.Updater-1.0.plist Support

[loaded] com.adobe.AdobeCreativeCloud.plist Support

[loaded] com.nvidia.CUDASoftwareUpdate.plist Support

Launch Daemons: ℹ️

[loaded] com.adobe.fpsaud.plist Support

[loaded] com.microsoft.office.licensing.helper.plist Support

[loaded] com.nvidia.cuda.launcher.plist Support

User Launch Agents: ℹ️

[loaded] com.adobe.AAM.Updater-1.0.plist Support

User Login Items: ℹ️

Dropbox Programma (/Applications/Dropbox.app)

Internet Plug-ins: ℹ️

AdobeExManDetect: Version: AdobeExManDetect 1.1.0.0 - SDK 10.7 Support

FlashPlayer-10.6: Version: 15.0.0.152 - SDK 10.6 Support

AdobeAAMDetect: Version: AdobeAAMDetect 2.0.0.0 - SDK 10.7 Support

AdobePDFViewerNPAPI: Version: 11.0.0 - SDK 10.6 Support

AdobePDFViewer: Version: 11.0.0 - SDK 10.6 Support

Flash Player: Version: 15.0.0.152 - SDK 10.6 Mismatch! Adobe recommends 15.0.0.189

Default Browser: Version: 600 - SDK 10.10

QuickTime Plugin: Version: 7.7.3

SharePointBrowserPlugin: Version: 14.4.5 - SDK 10.6 Support

Safari Extensions: ℹ️

AdBlock (Disabled)

iTube Studio

3rd Party Preference Panes: ℹ️

CUDA Preferences Support

Flash Player Support

Time Machine: ℹ️

Time Machine not configured!

Top Processes by CPU: ℹ️

3% WindowServer

1% systemstatsd

1% fontd

0% AppleSpell

0% cloudpaird

Top Processes by Memory: ℹ️

249 MB mds_stores

232 MB Safari

216 MB com.apple.WebKit.WebContent

137 MB pkd

94 MB Dropbox

Virtual Memory Information: ℹ️

3.86 GB Free RAM

2.92 GB Active RAM

855 MB Inactive RAM

948 MB Wired RAM

2.32 GB Page-ins

0 B Page-outs