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Black Screen Is Displayed While Launching A Published Applications  Print this Article

Solution

Citrix and Microsoft have worked together to deliver code fixes for both Windows Server 2016 and XenApp.

1- Update your Windows OS

Microsoft has released KB4034661 https://support.microsoft.com/en-in/help/4034661/windows-10-update-kb4034661.

2- The fix also requires the below registry change to enable it.

Navigate to: HKLM\SOFTWARE\Citrix\Citrix Virtual Desktop Agent
And then create the following registry value (value type = REG_DWORD): DisableLogonUISuppression 
0 - Feature enabled (LOGON UI SUPPRESSION – No Black Screen)
1 - Feature disabled (You will see the Black screen issue).



https://support.citrix.com/article/CTX235681

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