If that fixes it, it is likely you have some sort of launch or startup item running in the main account that is causing a conflict with Sierra. Run the app 
Etrecheck from within the main (old) account. That will create an anonymized report showing everything running. Post that report here so we can have a look.
		
 
		
	 
Thanks, heres my report
EtreCheck version: 3.0.5 (309)
Report generated 2016-09-28 16:57:25
Download EtreCheck from https://etrecheck.com
Runtime 2:15
Performance: Excellent
Click the 
[Support] links for help with non-Apple products.
Click the 
[Details] links for more information about that line.
Problem: Computer is restarting
Hardware Information: ⓘ
    MacBook Air 
    
[Technical Specifications] - 
[User Guide] - 
[Warranty & Service]
    MacBook Air - model: MacBookAir6,1
    1 1.3 GHz Intel Core i5 CPU: 2-core
    8 GB RAM Not upgradeable
        BANK 0/DIMM0
            4 GB DDR3 1600 MHz ok
        BANK 1/DIMM0
            4 GB DDR3 1600 MHz ok
    Bluetooth: Good - Handoff/Airdrop2 supported
    Wireless:  en0: 802.11 a/b/g/n/ac
    Battery: Health = Normal - Cycle count = 819
Video Information: ⓘ
    Intel HD Graphics 5000
        Color LCD 1366 x 768
System Software: ⓘ
    macOS Sierra  10.12 (16A323) - Time since boot: about 3 days 
Disk Information: ⓘ
    APPLE SSD SD0512F disk0 : (500.28 GB) (Solid State - TRIM: Yes)
        EFI (disk0s1) <not mounted> : 210 MB 
        Recovery HD (disk0s3) <not mounted>  [Recovery]: 650 MB 
        Macintosh HD (disk1) / : 499.06 GB (18.69 GB free)
            Encrypted AES-XTS Unlocked
            Core Storage: disk0s2 499.42 GB Online
USB Information: ⓘ
    Apple Inc. BRCM20702 Hub 
        Apple Inc. Bluetooth USB Host Controller 
Thunderbolt Information: ⓘ
    Apple Inc. thunderbolt_bus
Configuration files: ⓘ
    /etc/sudoers, File size 1275 but expected 1563
Gatekeeper: ⓘ
    Mac App Store and identified developers
Unknown Files: ⓘ
    /Library/LaunchAgents/Swapper.plist
       
    
One unknown file found. [Check files]
Kernel Extensions: ⓘ
        /Applications/VMware Fusion.app
    [not loaded]    com.vmware.kext.vmci (7.0.0 - 2015-01-20) 
[Support]
    [not loaded]    com.vmware.kext.vmioplug.14.1.3 (7.0.0 - 2015-01-20) 
[Support]
    [not loaded]    com.vmware.kext.vmnet (7.0.0 - 2015-01-20) 
[Support]
    [not loaded]    com.vmware.kext.vmx86 (7.0.0 - 2015-01-20) 
[Support]
    [not loaded]    com.vmware.kext.vsockets (7.0.0 - 2015-01-20) 
[Support]
        /Library/Extensions
    [loaded]    at.obdev.nke.LittleSnitch (3.7 - SDK 10.11 - 2016-09-24) 
[Support]
        /System/Library/Extensions
    [not loaded]    com.ZTE.driver.ModemDriverMac (1.0.2d1 - 2016-09-24) 
[Support]
    [not loaded]    com.ZTE.driver.ModemDriverMacEx (1.0.6d1 - 2016-09-24) 
[Support]
    [not loaded]    com.ZTE.driver.ZTEUSBCDCACMData (ZTEDriver_MacV1.3.33 - 2016-09-24) 
[Support]
    [not loaded]    com.ZTE.driver.ZTEUSBMassStorageFilter (ZTEDriver_MacV1.3.33 - 2016-09-24) 
[Support]
Startup Items: ⓘ
    HWNetMgr: Path: /Library/StartupItems/HWNetMgr
    HWPortDetect: Path: /Library/StartupItems/HWPortDetect
    StartOuc: Path: /Library/StartupItems/StartOuc
    Startup items are obsolete in OS X Yosemite
System Launch Agents: ⓘ
    [not loaded]    7 Apple tasks
    [loaded]    164 Apple tasks
    [running]    92 Apple tasks
    [killed]    8 Apple tasks
    8 processes killed due to insufficient RAM
System Launch Daemons: ⓘ
    [not loaded]    com.apple.jetsamproperties.Mac.plist (2016-08-25) 
[Support]
    [not loaded]    43 Apple tasks
    [loaded]    156 Apple tasks
    [running]    99 Apple tasks
    [killed]    6 Apple tasks
    6 processes killed due to insufficient RAM
Launch Agents: ⓘ
    [not loaded]    Swapper.plist (2011-02-24) 
[Support]
    [running]    at.obdev.LittleSnitchUIAgent.plist (2016-09-24) 
[Support]
    [not loaded]    com.adobe.AAM.Updater-1.0.plist (2015-04-25) 
[Support]
    [failed]    com.adobe.CS4ServiceManager.plist (2013-06-26) 
[Support]
    [loaded]    com.google.keystone.agent.plist (2016-07-11) 
[Support]
    [loaded]    com.oracle.java.Java-Updater.plist (2014-03-03) 
[Support]
    [not loaded]    com.teamviewer.teamviewer.plist (2014-11-20) 
[Support]
    [not loaded]    com.teamviewer.teamviewer_desktop.plist (2014-11-20) 
[Support]
    [loaded]    org.macosforge.xquartz.startx.plist (2013-11-10) 
[Support]
Launch Daemons: ⓘ
    [not loaded]    PPPMonitord.plist (2011-02-24) 
[Support]
    [running]    at.obdev.littlesnitchd.plist (2016-09-24) 
[Support]
    [loaded]    com.adobe.SwitchBoard.plist (2015-04-25) 
[Support]
    [failed]    com.adobe.fpsaud.plist (2016-05-09) 
[Support]
    [running]    com.fitbit.galileod.plist (2015-06-19) 
[Support]
    [loaded]    com.google.keystone.daemon.plist (2016-09-01) 
[Support]
    [loaded]    com.macpaw.CleanMyMac2.Agent.plist (2013-07-01) 
[Support]
    [loaded]    com.microsoft.office.licensing.helper.plist (2010-08-25) 
[Support]
    [loaded]    com.microsoft.office.licensingV2.helper.plist (2016-07-09) 
[Support]
    [loaded]    com.oracle.java.Helper-Tool.plist (2014-03-03) 
[Support]
    [loaded]    com.teamviewer.Helper.plist (2014-11-20) 
[Support]
    [not loaded]    com.teamviewer.teamviewer_service.plist (2014-11-20) 
[Support]
    [failed]    com.torch.update.agent.plist (2014-02-13) 
[Support]
    [loaded]    org.macosforge.xquartz.privileged_startx.plist (2013-11-10) 
[Support]
User Launch Agents: ⓘ
    [loaded]    com.adobe.ARM.[...].plist (2013-07-05) 
[Support]
    [failed]    com.citrixonline.GoToMeeting.G2MUpdate.plist (2014-09-22) 
[Support]
    [failed]    com.facebook.videochat.[redacted].plist (2014-08-17)
    [failed]    com.macpaw.CleanMyMac2Helper.scheduledScan.plist (2013-07-11)
    [failed]    com.macpaw.CleanMyMac2Helper.trashWatcher.plist (2013-07-11)
    [running]    com.spotify.webhelper.plist (2016-09-25) 
[Support]
User Login Items: ⓘ
    Flux    Application  (/Applications/Flux.app)
    Alfred    Application  (/Applications/Alfred.app)
    TotalFinder    Application  (/Incompatible Software/TotalFinder.app)
    XtraFinder    Application  (/Applications/XtraFinder.app)
    BetterSnapTool    Application  (/Applications/BetterSnapTool.app)
    Default Folder X Helper    Application  (/Library/PreferencePanes/Default Folder X.prefPane/Contents/Resources/Default Folder X Helper.app)
    Quicksilver    Application  (/Applications/Quicksilver.app)
    BetterTouchTool    Application  (/Applications/BetterTouchTool.app)
    XtraFinder    Application  (/Applications/XtraFinder.app)
    Content Manager Assistant    Application  (/Applications/CMA.app)
Internet Plug-ins: ⓘ
    FlashPlayer-10.6: 21.0.0.242 - SDK 10.6 (2016-05-23) 
[Support]
    QuickTime Plugin: 7.7.3 (2016-09-13)
    Flash Player: 21.0.0.242 - SDK 10.6 (2016-05-23) Outdated! 
Update
    AdobePDFViewer: 10.0.0 (2013-07-05) 
[Support]
    o1dbrowserplugin: 5.41.3.0 - SDK 10.8 (2015-12-16) 
[Support]
    SharePointBrowserPlugin: 14.0.0 (2010-08-25) 
[Support]
    googletalkbrowserplugin: 5.41.3.0 - SDK 10.8 (2015-12-11) 
[Support]
    Silverlight: 5.1.20513.0 - SDK 10.6 (2013-07-24) 
[Support]
    Unity Web Player: UnityPlayer version 4.3.5f1 - SDK 10.6 (2014-07-04) 
[Support]
    JavaAppletPlugin: Java 8 Update 101 build 13 (2016-09-25) 
Check version
User internet Plug-ins: ⓘ
    CitrixOnlineWebDeploymentPlugin: 1.0.105 (2013-04-25) 
[Support]
    WebEx64: 1.0 - SDK 10.6 (2014-10-10) 
[Support]
Safari Extensions: ⓘ
    AdBlock - BetaFish, Inc. - 
https://getadblock.com (2015-09-26)
    GMail Counter - Elia Cereda - 
http://elix14.altervista.org/ (2013-06-26)
    ClickToFlash - Marc Hoyois - 
http://hoyois.github.com/safariextensions/clicktoplugin/ (2015-08-01)
    Evernote Web Clipper - Evernote Corp. - 
http://evernote.com (2015-08-21)
    1-ClickWeather - TWCi - 
http://www.weather.com/ (2013-06-26)
3rd Party Preference Panes: ⓘ
    Default Folder X (2014-03-07) 
[Support]
    Flash Player (2016-05-09) 
[Support]
    Hazel (2013-06-27) 
[Support]
    Java (2016-09-25) 
[Support]
    Paragon NTFS for Mac ® OS X (2011-05-05) 
[Support]
Time Machine: ⓘ
    Time Machine not configured!
Top Processes by CPU: ⓘ
        8%    WindowServer
        2%    kernel_task
        2%    Default Folder X Agent(2)
        1%    Google Chrome Helper(12)
        1%    com.apple.AmbientDisplayAgent
Top Processes by Memory: ⓘ
    1.10 GB    Google Chrome Helper(12)
    972 MB    kernel_task
    451 MB    softwareupdated
    352 MB    mdworker(11)
    180 MB    Google Chrome
Virtual Memory Information: ⓘ
    796 MB    Free RAM 
    7.22 GB    Used RAM (2.01 GB Cached)
    586 MB    Swap Used 
Diagnostics Information: ⓘ
    Sep 27, 2016, 05:35:42 PM    /Library/Logs/DiagnosticReports/galileod_2016-09-27-173542_[redacted].crash
        /usr/local/bin/galileod
    Sep 26, 2016, 07:14:10 PM    /Library/Logs/DiagnosticReports/WindowServer_2016-09-26-191410_[redacted].crash
        /System/Library/PrivateFrameworks/SkyLight.framework/Versions/A/Resources/WindowServer
    Sep 26, 2016, 07:46:27 AM    /Library/Logs/DiagnosticReports/galileod_2016-09-26-074627_[redacted].crash
    Sep 25, 2016, 10:29:00 PM    Self test - passed
    Sep 25, 2016, 10:18:41 PM    ~/Library/Logs/DiagnosticReports/Google Chrome Helper_2016-09-25-221841_[redacted].crash
        com.google.Chrome.helper - /Applications/Google Chrome.app/Contents/Versions/53.0.2785.116/Google Chrome Helper.app/Contents/MacOS/Google Chrome Helper
    Sep 25, 2016, 10:18:38 PM    ~/Library/Logs/DiagnosticReports/Google Chrome Helper_2016-09-25-221838_[redacted].crash
    Sep 25, 2016, 10:18:37 PM    ~/Library/Logs/DiagnosticReports/Google Chrome Helper_2016-09-25-221837_[redacted].crash
    Sep 25, 2016, 10:17:42 PM    /Library/Logs/DiagnosticReports/WindowServer_2016-09-25-221742_[redacted].crash
    Sep 25, 2016, 10:16:31 PM    /Library/Logs/DiagnosticReports/WindowServer_2016-09-25-221631_[redacted].crash
[doublepost=1475107575][/doublepost]Also i keep getting these 2 errors, i have already installed java 8.0
[doublepost=1475108770][/doublepost]
	
		
	
	
		
		
			Did you try SMC and PRAM reset yet?
		
		
	 
I did SMC reset and the problem is still there 

, now going to do the PRAM reset