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Workspace app launcher screen won't open

Gwyn Williams1709162899


Having installed Citrix Receiver/Workspace app on thousands of machines in the past (either manually or via SCCM) I've never come across this problem before...


When the user double-clicks (or right-click and Open) on the Citrix Workspace icon in the system tray, nothing at all happens. No error message either.


So I'll rewind a bit. I tried to deploy 2108 to this machine (and several other machines) using SCCM. It had succeeded on all machines apart from this one, so when I checked the machine I saw there was an old install of Citrix Receiver 4.12 on there, which had been partly removed but had parts left on there. I presumed that this was unable to be uninstalled and was therefore stopping the 2108 from installing. I tried to manually re-run the silent install command for 2108 but this time with the /forceinstall switch, which apparently meant that I would not need to run the Receiver Cleanup Utility. This switch did nothing to help, so I resorted to the Cleanup Utility. This completed the uninstall, and after a reboot, and then an install of 2108, and another reboot to get SSON working, I tested. I saw that the application launcher doesn't open, and it not opened once for me.


The Connection Center opens fine, but obviously there are no sessions running.


I then tried to uninstall Workspace app, then uninstall Edge WebView2 Runtime, then I tried 2109, but this behaves in exactly the same way.


The only relevant warning/error I can find in the logs is this:



Log Name:      Application
Source:        Microsoft-Windows-RestartManager
Date:          01/10/2021 11:45:52
Event ID:      10010
Task Category: None
Level:         Warning
User:          ######
Computer:      ######
Application 'C:\Program Files (x86)\Citrix\Citrix WorkSpace 2108\TrolleyExpress.exe' (pid 19856) cannot be restarted - Application SID does not match Conductor SID..



Any idea what I can try next?



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I am hoping that someone has some information on this as well. Accidentally had 5 of my machines upgrade to 2109 and now they longer connect to xendesk. uninstalling and cleanup app did nothing. Essentially I had to reimage an entire machine to get it to work. 




where the guy said he had to rebuild his machine.


Also, see his thread as it may pertain to you as well.


Edited by dsmith883
Adding extra information
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