The Error number 2320 occurs on the Citrix Receiver client computer after removing Citrix Receiver 3.x and reinstalling another Receiver client.
“Citrix online plug-in Configuration Manager: No value could be found for (ClientHostedApps) that satisfies all lockdown requirements. The lockdown requirements in force may be conflicting.”
Run the following tool to fix issues during Citrix Receiver for Windows installation:
CTX137494 - Receiver Clean-Up Utility
Caution! Refer to the Disclaimer at the end of this article before using Registry Editor.Complete the following procedure on the machine with the Citrix Receiver client as a workaround for this issue:
32-Bit System: HKEY_LOCAL_MACHINE\SOFTWARE\Citrix\ICA Client\Engine\Lockdown Profiles\All Regions\Lockdown\Virtual Channels\Control
64-Bit System: HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Citrix\ICA Client\Engine\Lockdown Profiles\All Regions\Lockdown\Virtual Channels\Control
Restart or reconnect your Citrix Receiver Icon to refresh applications.
Removing or reinstalling Citrix Receiver can cause an incorrect setting to remain in the registry. Also see CTX325140 - How to Remove Client Files Remaining on System after Uninstalling Receiver for Windows.