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Citrix Receiver 19.3.0.4 (1903) random WFICA32.EXE crash


Daniel Messer

Question

After deinstalling Citrix Receiver 4.12 and installing Citrix Workspace App 1903 we encounter random Citrix session disconnects. (Different sessions from different Storefronts.) A similar  behaviour showed up with Citrix Receiver 4.9 but was finally fixed. Now it seems to be back.

 

Wfica32.exe was crashing when doing different stuff within the Citrix session like: Pasting content from the clipboard to notepad, running (starting) a powershell script in Powershell Studio 2018, general clicking etc.

 

Example Workstation:

OS: Windows 10 Professional (1809 Build 17763.379)

Laptop: HP Eliteboox x360 1030 G2

 

Windows Eventlog entry (german):

Protokollname: Application
Quelle:        Application Error
Datum:         09.04.2019 09:53:27
Ereignis-ID:   1000
Aufgabenkategorie:(100)
Ebene:         Fehler
Schlüsselwörter:Klassisch
Benutzer:      Nicht zutreffend
Computer:      NB-DAME
Beschreibung:
Name der fehlerhaften Anwendung: WFICA32.EXE, Version: 19.3.0.4, Zeitstempel: 0x5c948302
Name des fehlerhaften Moduls: WFICA32.EXE, Version: 19.3.0.4, Zeitstempel: 0x5c948302
Ausnahmecode: 0xc0000005
Fehleroffset: 0x00168c5a
ID des fehlerhaften Prozesses: 0x3d50
Startzeit der fehlerhaften Anwendung: 0x01d4ee9dd6452e4e
Pfad der fehlerhaften Anwendung: C:\PROGRA~2\Citrix\ICACLI~1\WFICA32.EXE
Pfad des fehlerhaften Moduls: C:\PROGRA~2\Citrix\ICACLI~1\WFICA32.EXE
Berichtskennung: d34cc60c-ce57-4e43-9288-c3d912cca0a9
Vollständiger Name des fehlerhaften Pakets:
Anwendungs-ID, die relativ zum fehlerhaften Paket ist:

 

I made process dumps with Sysinternals procdump at one occasion.

https://drive.unicocloud.ch/s/JnjPRLfKngbLW9L

(Password: wfica32.exe)

 

Windbg shows following information:

EXCEPTION_RECORD:  (.exr -1)
ExceptionAddress: 00d78c5a (wfica32+0x00168c5a)
   ExceptionCode: c0000005 (Access violation)
  ExceptionFlags: 00000000
NumberParameters: 2
   Parameter[0]: 00000000
   Parameter[1]: 00000006
Attempt to read from address 00000006

Is this a known bug? I can't find anything. Anyone seen this lately? Thanks for your help!

 

 

 

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Also seeing WFICA32.EXE / Citrix HDX Crashing on using Citrix Receiver 19.3.0.4 (1903) with our Win 7 Embedded Thin Clients. Happening when VNC'ing for remote support, also seen when using applications within Citrix, but as yet unable to establish what programs. Did you every get anywhere?

 

I see that Version: 19.4.1.41 (1904.1) is now released, but we've not tested that yet to see if the problem is replicated - will try deploy to a terminal & see how we get on.

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Unfortunately I still have the crashes with 1904.1. We don't use VNC. Almost any action can trigger the appcrash.

As nobody else in my office seems to have this issue and we heard no customer complaints it must be an isolated issue. I probably have to reinstall my laptop or something.

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