yosemite freezes after login

Problem description:

After yoseimite upgrade on my macbook, display freezes very often in sometime. I have to reboot every time. I have pasted EtreCheck report below.

Please let me know how to fix this issue.

EtreCheck version: 2.2 (132)

Report generated 7/4/15, 12:27 PM

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

MacBook Pro (Retina, 15-inch, Late 2013) (Verified)

MacBook Pro - model: MacBookPro11,2

1 2.6 GHz Intel Core i7 CPU: 4-core

16 GB RAM Not upgradeable

BANK 0/DIMM0

8 GB DDR3 1600 MHz ok

BANK 1/DIMM0

8 GB DDR3 1600 MHz ok

Bluetooth: Good - Handoff/Airdrop2 supported

Wireless: en0: 802.11 a/b/g/n/ac

Battery: Health = Normal - Cycle count = 76 - SN = D864222Y3R6F9CPAL

Video Information: ℹ️

Intel Iris Pro

Color LCD 2880 x 1800

System Software: ℹ️

OS X 10.10.4 (14E46) - Time since boot: 0:0:55

Disk Information: ℹ️

APPLE SSD SM0256F disk0 : (251 GB)

EFI (disk0s1) <not mounted> : 210 MB

Recovery HD (disk0s3) <not mounted> [Recovery]: 650 MB

Macintosh HD (disk1) / : 249.77 GB (62.16 GB free)

Core Storage: disk0s2 250.14 GB Online

USB Information: ℹ️

Apple Internal Memory Card Reader

Apple Inc. Apple Internal Keyboard / Trackpad

Apple Inc. BRCM20702 Hub

Apple Inc. Bluetooth USB Host Controller

Thunderbolt Information: ℹ️

Apple Inc. thunderbolt_bus

Gatekeeper: ℹ️

Mac App Store and identified developers

Kernel Extensions: ℹ️

/Applications/VMware Fusion.app

[not loaded] com.vmware.kext.vmci (90.5.7) [Click for support]

[not loaded] com.vmware.kext.vmioplug.12.1.17 (12.1.17) [Click for support]

[not loaded] com.vmware.kext.vmnet (0188.79.83) [Click for support]

[not loaded] com.vmware.kext.vmx86 (0188.79.83) [Click for support]

[not loaded] com.vmware.kext.vsockets (90.5.7) [Click for support]

/Applications/VMware Horizon Client.app

[not loaded] com.vmware.kext.vmioplug.12.2.7 (12.2.7) [Click for support]

/System/Library/Extensions

[loaded] com.cisco.kext.acsock (1.1.0 - SDK 10.2) [Click for support]

Startup Items: ℹ️

ciscod: Path: /System/Library/StartupItems/ciscod

Startup items are obsolete in OS X Yosemite

Launch Agents: ℹ️

[loaded] com.cisco.anyconnect.gui.plist [Click for support]

[running] com.mcafee.menulet.plist [Click for support]

[running] com.mcafee.reporter.plist [Click for support]

[loaded] com.oracle.java.Java-Updater.plist [Click for support]

Launch Daemons: ℹ️

[loaded] com.adobe.fpsaud.plist [Click for support]

[running] com.cisco.anyconnect.vpnagentd.plist [Click for support]

[running] com.mcafee.ssm.Eupdate.plist [Click for support]

[running] com.mcafee.ssm.ScanManager.plist [Click for support]

[running] com.mcafee.virusscan.fmpd.plist [Click for support]

[loaded] com.microsoft.office.licensing.helper.plist [Click for support]

[loaded] com.oracle.java.Helper-Tool.plist [Click for support]

[loaded] com.oracle.java.JavaUpdateHelper.plist [Click for support]

User Launch Agents: ℹ️

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

User Login Items: ℹ️

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

VMware Fusion Start Menu Application (/Applications/VMware Fusion.app/Contents/Library/VMware Fusion Start Menu.app)

Android File Transfer Agent Application (/Users/[redacted]/Library/Application Support/Google/Android File Transfer/Android File Transfer Agent.app)

Internet Plug-ins: ℹ️

SharePointBrowserPlugin: Version: 14.5.1 - SDK 10.6 [Click for support]

FlashPlayer-10.6: Version: 18.0.0.194 - SDK 10.6 [Click for support]

Flash Player: Version: 18.0.0.194 - SDK 10.6 [Click for support]

QuickTime Plugin: Version: 7.7.3

JavaAppletPlugin: Version: Java 8 Update 45 Check version

Default Browser: Version: 600 - SDK 10.10

User internet Plug-ins: ℹ️

WebEx64: Version: 1.0 - SDK 10.6 [Click for support]

3rd Party Preference Panes: ℹ️

Flash Player [Click for support]

Java [Click for support]

Time Machine: ℹ️

Time Machine not configured!

Top Processes by CPU: ℹ️

3% appProtd

2% WindowServer

2% fontd

1% VShieldScanManager

0% taskgated

Top Processes by Memory: ℹ️

758 MB kernel_task

246 MB VShieldScanner(3)

180 MB mdworker(13)

131 MB mds_stores

131 MB Dock

Virtual Memory Information: ℹ️

12.00 GB Free RAM

3.61 GB Used RAM

0 B Swap Used

Diagnostics Information: ℹ️

Jul 4, 2015, 12:22:48 PM Self test - passed