dab, Thank you for the suggestion. I am attaching a copy of the report from EteCheck.
EtreCheck version: 3.0.6 (315)
Report generated 2016-09-30 07:26:30
Download EtreCheck from https://etrecheck.com
Runtime 2:28
Performance: Excellent
Click the [Support] links for help with non-Apple products.
Click the [Details] links for more information about that line.
Problem: Other problem
Description:
Unable to open an app window in full screen. Each time the full screen green dot is selected the screen goes to Sign In and password has to be entered. Screen then returns to earlier position.
Hardware Information: ⓘ
iMac (27-inch, Mid 2011)
[Technical Specifications] - [User Guide] - [Warranty & Service]
iMac - model: iMac12,2
1 2.7 GHz Intel Core i5 CPU: 4-core
16 GB RAM Upgradeable - [Instructions]
BANK 0/DIMM0
Empty
BANK 1/DIMM0
Empty
BANK 0/DIMM1
8 GB DDR3 1333 MHz ok
BANK 1/DIMM1
8 GB DDR3 1333 MHz ok
Bluetooth: Old - Handoff/Airdrop2 not supported
Wireless: en1: 802.11 a/b/g/n
Video Information: ⓘ
AMD Radeon HD 6770M - VRAM: 512 MB
iMac 1920 x 1080
System Software: ⓘ
macOS Sierra 10.12 (16A323) - Time since boot: about one day
Disk Information: ⓘ
WDC WD1001FALS-403AA0 disk0 : (1 TB) (Rotational)
EFI (disk0s1) <not mounted> : 210 MB
Macintosh HD (disk0s2) / [Startup]: 999.35 GB (911.44 GB free)
Recovery HD (disk0s3) <not mounted> [Recovery]: 650 MB
HL-DT-STDVDRW GA32N ()
USB Information: ⓘ
Apple Inc. FaceTime HD Camera (Built-in)
Apple, Inc. Keyboard Hub
Apple Inc. Apple Keyboard
Apple Inc. BRCM2046 Hub
Apple Inc. Bluetooth USB Host Controller
Apple Computer, Inc. IR Receiver
Apple Card Reader
Thunderbolt Information: ⓘ
Apple Inc. thunderbolt_bus
Gatekeeper: ⓘ
Mac App Store and identified developers
System Launch Agents: ⓘ
[not loaded] 9 Apple tasks
[loaded] 164 Apple tasks
[running] 98 Apple tasks
System Launch Daemons: ⓘ
[not loaded] 38 Apple tasks
[loaded] 159 Apple tasks
[running] 107 Apple tasks
Launch Agents: ⓘ
[running] com.brother.LOGINserver.plist (2015-10-13) [Support]
[not loaded] com.maintain.LogOut.plist (2013-04-05)
[not loaded] com.maintain.PurgeInactiveMemory.plist (2013-04-05)
[not loaded] com.maintain.Restart.plist (2013-04-05)
[not loaded] com.maintain.ShutDown.plist (2013-04-05)
[not loaded] com.maintain.Sleep.plist (2013-04-05)
[running] com.maintain.SystemEvents.plist (2013-04-05)
[loaded] com.oracle.java.Java-Updater.plist (2016-01-04) [Support]
[not loaded] com.teamviewer.teamviewer.plist (2015-04-04) [Support]
[not loaded] com.teamviewer.teamviewer_desktop.plist (2015-04-04) [Support]
[running] com.trusteer.rapport.rapportd.plist (2016-09-18) [Support]
Launch Daemons: ⓘ
[loaded] com.adobe.fpsaud.plist (2016-06-28) [Support]
[loaded] com.apple.installer.osmessagetracing.plist (2016-09-13)
[loaded] com.macpaw.CleanMyMac3.Agent.plist (2016-04-06) [Support]
[not loaded] com.maintain.CocktailScheduler.plist (2013-12-31)
[loaded] com.malwarebytes.HelperTool.plist (2016-06-18) [Support]
[loaded] com.microsoft.office.licensing.helper.plist (2011-03-10) [Support]
[loaded] com.oracle.java.Helper-Tool.plist (2016-01-04) [Support]
[loaded] com.teamviewer.Helper.plist (2015-02-21) [Support]
[not loaded] com.teamviewer.teamviewer_service.plist (2015-04-04) [Support]
[running] com.trusteer.rooks.rooksd.plist (2016-09-18) [Support]
User Launch Agents: ⓘ
[loaded] com.adobe.ARM.[...].plist (2012-09-27) [Support]
[failed] com.citrixonline.GoToMeeting.G2MUpdate.plist (2014-10-17) [Support]
[loaded] com.google.keystone.agent.plist (2016-07-12) [Support]
[loaded] com.macpaw.CleanMyMac3.Scheduler.plist (2016-08-02)
[running] com.nds.pcshow.plist (2014-03-26)
[loaded] com.nds.pcshow.uninstall.plist (2014-10-12)
User Login Items: ⓘ
Dropbox Application Hidden (/Applications/Dropbox.app)
CleanMyMac 3 Menu Application (/Applications/CleanMyMac 3.app/Contents/MacOS/CleanMyMac 3 Menu.app)
Internet Plug-ins: ⓘ
FlashPlayer-10.6: 22.0.0.209 - SDK 10.9 (2016-08-02) [Support]
QuickTime Plugin: 7.7.3 (2016-09-13)
AdobePDFViewerNPAPI: 11.0.17 - SDK 10.6 (2016-08-05) [Support]
AdobePDFViewer: 11.0.17 - SDK 10.6 (2016-08-05) [Support]
Flash Player: 22.0.0.209 - SDK 10.9 (2016-08-02) Outdated! Update
SharePointBrowserPlugin: 14.6.6 - SDK 10.6 (2016-08-01) [Support]
Google Earth Web Plug-in: 7.1 (2016-01-30) [Support]
GarminGpsControl: 4.0.4.0 Release - SDK 10.6 (2012-11-02) [Support]
Silverlight: 5.1.40728.0 - SDK 10.6 (2016-01-30) [Support]
JavaAppletPlugin: Java 8 Update 73 build 02 (2016-04-06) Check version
User internet Plug-ins: ⓘ
CitrixOnlineWebDeploymentPlugin: 1.0.105 (2013-04-25) [Support]
Google Earth Web Plug-in: 7.0 (2016-01-30) [Support]
Safari Extensions: ⓘ
1Password - AgileBits - https://agilebits.com/onepassword (2016-09-27)
Open in Internet Explorer - Parallels - http://www.parallels.com (2012-09-12)
ClickToFlash - Marc Hoyois - http://hoyois.github.com/safariextensions/clicktoplugin/ (2015-08-02)
Disconnect - Disconnect - https://disconnect.me/ (2014-03-09)
The New York Times - The New York Times - http://www.nytimes.com (2013-01-30)
1-ClickWeather - TWCi - http://www.weather.com/ (2012-08-31)
3rd Party Preference Panes: ⓘ
Flash Player (2016-06-28) [Support]
Java (2016-04-06) [Support]
Perian (2011-07-23) [Support]
Trusteer Endpoint Protection (2016-09-22) [Support]
Time Machine: ⓘ
Skip System Files: YES - System files not being backed up
Mobile backups: ON
Auto backup: YES
Volumes being backed up:
Macintosh HD: Disk size: 999.35 GB Disk used: 87.91 GB
Destinations:
Data [Network]
Total size: 2.00 TB
Total number of backups: 148
Oldest backup: 4/19/14, 10:51 AM
Last backup: 9/30/16, 7:20 AM
Size of backup disk: Adequate
Backup size 2.00 TB > (Disk used 87.91 GB X 3)
Top Processes by CPU: ⓘ
3% WindowServer
2% fontd
1% kernel_task
0% com.apple.AmbientDisplayAgent
0% Dropbox
Top Processes by Memory: ⓘ
1.01 GB kernel_task
819 MB com.apple.WebKit.WebContent(5)
279 MB mtmd
262 MB mtmfs
229 MB Safari
Virtual Memory Information: ⓘ
7.78 GB Free RAM
8.22 GB Used RAM (6.66 GB Cached)
0 B Swap Used
Diagnostics Information: ⓘ
Sep 29, 2016, 11:04:12 AM /Library/Logs/DiagnosticReports/rapportd_2016-09-29-110412_[redacted].crash
com.trusteer.rapportd - /Library/Rapport/*/rapportd.app/Contents/MacOS/rapportd
Sep 29, 2016, 11:04:11 AM /Library/Logs/DiagnosticReports/WindowServer_2016-09-29-110411_[redacted].crash
/System/Library/PrivateFrameworks/SkyLight.framework/Versions/A/Resources/Windo wServer
Sep 29, 2016, 11:00:10 AM ~/Library/Logs/DiagnosticReports/com.apple.WebKit.WebContent_2016-09-29-110010_ [redacted].crash
/System/Library/Frameworks/WebKit.framework/Versions/A/XPCServices/com.apple.We bKit.WebContent.xpc/Contents/MacOS/com.apple.WebKit.WebContent
Sep 29, 2016, 11:00:00 AM ~/Library/Logs/DiagnosticReports/com.apple.WebKit.WebContent_2016-09-29-110000_ [redacted].crash
Sep 29, 2016, 10:55:20 AM Self test - passed
Sep 29, 2016, 09:42:47 AM ~/Library/Logs/DiagnosticReports/com.apple.WebKit.WebContent_2016-09-29-094247_ [redacted].crash
Sep 29, 2016, 09:37:55 AM ~/Library/Logs/DiagnosticReports/com.apple.WebKit.WebContent_2016-09-29-093755_ [redacted].crash
Sep 29, 2016, 09:37:23 AM /Library/Logs/DiagnosticReports/rapportd_2016-09-29-093723_[redacted].crash
Sep 29, 2016, 09:37:16 AM /Library/Logs/DiagnosticReports/WindowServer_2016-09-29-093716_[redacted].crash
Sep 29, 2016, 07:52:19 AM /Library/Logs/DiagnosticReports/WindowServer_2016-09-29-075219_[redacted].crash
Sep 29, 2016, 06:35:33 AM /Library/Logs/DiagnosticReports/WindowServer_2016-09-29-063533_[redacted].crash