Windows 10: windows sandbox Not working

HI all so i have the new release off 1903 installed it on the 21 build number 18362.116 and when i first installed it all worked great sandbox and all now windows sandbox opens but sits on its blue splash screen and does nothing at all? i see errors in the even viewer about rite protection and can't restore virtual system and stuff, but nothing of mine is write protected, i don't now hat it could be here are the error i see related to hyper-v worker. any help appreciated so i can use this feature again thanks and have a great night or day.


Log Name: Microsoft-Windows-Hyper-V-Worker-AdminSource: Microsoft-Windows-Hyper-V-WorkerDate: 5/22/2019 9:45:01 PMEvent ID: 12080Task Category: NoneLevel: ErrorKeywords: User: NT VIRTUAL MACHINE\5A76E41C-EBFB-437B-AC31-2FF933351597Computer: DESKTOP-8J2RS9LDescription:'Virtual Machine' Virtual SMB Device (Instance ID FEA6E63B-45DA-4E32-8B3D-1873B2CE50E7): Failed to restore with Error 'The media is write protected.' (0x80070013). (Virtual machine ID 5A76E41C-EBFB-437B-AC31-2FF933351597)Event Xml:<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event"> <System> <Provider Name="Microsoft-Windows-Hyper-V-Worker" Guid="{51ddfa29-d5c8-4803-be4b-2ecb715570fe}" /> <EventID>12080</EventID> <Version>0</Version> <Level>2</Level> <Task>0</Task> <Opcode>0</Opcode> <Keywords>0x8000000000000000</Keywords> <TimeCreated SystemTime="2019-05-23T04:45:01.620069100Z" /> <EventRecordID>30</EventRecordID> <Correlation ActivityID="{ca88e720-1121-0006-78f5-88ca2111d501}" /> <Execution ProcessID="7472" ThreadID="7496" /> <Channel>Microsoft-Windows-Hyper-V-Worker-Admin</Channel> <Computer>DESKTOP-8J2RS9L</Computer> <Security UserID="S-1-5-83-1-1517741084-1132194811-4180619692-2534749491" /> </System> <UserData> <VmlEventLog xmlns="http://www.microsoft.com/Windows/Virtualization/Events"> <VmName>Virtual Machine</VmName> <VmId>5A76E41C-EBFB-437B-AC31-2FF933351597</VmId> <DeviceName>Virtual SMB Device</DeviceName> <ErrorCodeString>%%2147942419</ErrorCodeString> <ErrorCode>0x80070013</ErrorCode> <DeviceInstanceId>FEA6E63B-45DA-4E32-8B3D-1873B2CE50E7</DeviceInstanceId> <Param1> </Param1> </VmlEventLog> </UserData></Event>


Log Name: SystemSource: Microsoft-Windows-Hyper-V-HypervisorDate: 5/24/2019 3:08:33 PMEvent ID: 157Task Category: NoneLevel: WarningKeywords: (70368744177664)User: SYSTEMComputer: DESKTOP-8J2RS9LDescription:The hypervisor did not enable mitigations for CVE-2018-3646 for virtual machines because HyperThreading is enabled and the hypervisor core scheduler is not enabled. To enable mitigations for CVE-2018-3646 for virtual machines, enable the core scheduler by running "bcdedit /set hypervisorschedulertype core" from an elevated command prompt and reboot.Event Xml:<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event"> <System> <Provider Name="Microsoft-Windows-Hyper-V-Hypervisor" Guid="{52fc89f8-995e-434c-a91e-199986449890}" /> <EventID>157</EventID> <Version>0</Version> <Level>3</Level> <Task>0</Task> <Opcode>0</Opcode> <Keywords>0x8000400000000000</Keywords> <TimeCreated SystemTime="2019-05-24T22:08:33.746600300Z" /> <EventRecordID>1651</EventRecordID> <Correlation /> <Execution ProcessID="4" ThreadID="8" /> <Channel>System</Channel> <Computer>DESKTOP-8J2RS9L</Computer> <Security UserID="S-1-5-18" /> </System> <EventData> </EventData></Event>

:)

 

Windows Sandbox

Hello

Today I installed windows 10 1903 feature update using slow insider channel and I enabled the windows sandbox for turn windows features on and off and reboot my system but is still not showing this in my app list is there update problem or hardware limitations?

 

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The tutorials provided are just a list of troubleshooting steps. Use only the steps which apply to you.

Since none of the troubleshooting steps here worked, I'd suggest you do a Clean install.

John

 

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