Something here might help.
https://learn.microsoft.com/en-us/troubleshoot/windows-client/shell-experience/microsoft-store-apps-fail-to-start
--please don't forget to Accept as answer if the reply is helpful--
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Log Name: Application
Source: Microsoft-Windows-AppModel-State
Date: 12/4/2020 6:29:56 AM
Event ID: 10
Task Category: None
Level: Error
Keywords:
User: domain \ username removed
Computer: SERVERNAME.DOMAIN removed
Description:
Failure to load the application settings for package microsoft.windows.authhost.sso_8wekyb3d8bbwe. Error Code: 3
Event Xml:
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
<System>
<Provider Name="Microsoft-Windows-AppModel-State" Guid="{BFF15E13-81BF-45EE-8B16-7CFEAD00DA86}" />
<EventID>10</EventID>
<Version>0</Version>
<Level>2</Level>
<Task>0</Task>
<Opcode>0</Opcode>
<Keywords>0x8000000000000000</Keywords>
<TimeCreated SystemTime="2020-12-04T14:29:56.229960600Z" />
<EventRecordID>39688</EventRecordID>
<Correlation />
<Execution ProcessID="11176" ThreadID="7452" />
<Channel>Application</Channel>
<Computer>SCRBAGSUSTIS003.CRB.APMOLLER.NET</Computer>
<Security UserID="S-1-5-21-1547161642-1214440339-682003330-2924578" />
</System>
<EventData>
<Data Name="ErrorString">microsoft.windows.authhost.sso_8wekyb3d8bbwe</Data>
<Data Name="Error">3</Data>
</EventData>
</Event>
Something here might help.
https://learn.microsoft.com/en-us/troubleshoot/windows-client/shell-experience/microsoft-store-apps-fail-to-start
--please don't forget to Accept as answer if the reply is helpful--
Hi,
Is there any update after checking following link which guided on Microsoft Store Apps fail to start if default registry or file permissions modified?
https://learn.microsoft.com/en-us/troubleshoot/windows-client/shell-experience/microsoft-store-apps-fail-to-start
Please also share more details like the OS version and the phenomenon of the problem? It will be appreciated if any screenshots or error message could be provided more than event log.
----------
Hope this helps and please help to accept as Answer if the response is useful.
Thanks,
Jenny