Citrix Secure Hub (formerly known as Worx Home) provides direct access to your workspace for all mobile, web, virtual Windows and SaaS apps. It provides single sign-on capabilities and the enforcement of device and app-level security policies. Access all apps from a single interface Access to corporate resources Offline and online access. Citrix Workspace app for Windows (Store) is client software available that enables users to access virtual desktops and hosted applications delivered by Citrix Virtual Apps and Desktops. It is available via the Windows Store.
Citrix Workspace app for Windows (Store) is client software available for download from the Microsoft store. It enables users to access virtual desktops and hosted applications delivered by Citrix Virtual Apps and Desktops. Citrix Workspace app 2103 for Windows (Store) is the current version available from the Microsoft Store. The new Citrix Workspace app (formerly known as Citrix Receiver) provides a great user experience - a secure, contextual, and unified workspace - on any device.
Citrix Receiver for Web Event ID:6
An error occurred while trying to list the authentication protocols supported on the Receiver StoreFront authentication server using the given challenge.
System.NullReferenceException, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089
Object reference not set to an instance of an object.
at Citrix.Web.AuthControllers.Controllers.AuthBaseController.EnumerateProtocolChoices(CitrixAuthChallenge challenge)
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Citrix Receiver for Web Event ID:3
An error occurred during authentication.
System.NullReferenceException, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089
Object reference not set to an instance of an object.
AuthenticationControllerRequestUrl: http://citrix.cxxxxxk.com/Citrix/ProductionStoreWeb/CitrixAuth/Login
at Citrix.Web.AuthControllers.Controllers.AuthBaseController.EnumerateProtocolChoices(CitrixAuthChallenge challenge)
at Citrix.Web.AuthControllers.Controllers.FederatedAuthBaseController.Login(IClaimsPrincipal claimsPrincipal)
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Citrix Store Service Event ID: 23
Gateway data from the request and the authentication token are not matching. Request was made to store ProductionStore.
Solution
Citrix App Store
For more details please refer to https://support.citrix.com/article/CTX134965
Citrix Storefront App Not Launching
Problem Cause
Citrix App Download
As per this article https://support.citrix.com/article/CTX134965