Known Issues

Known issues in Citrix Receiver for Windows 4.9 LTSR CU8

No new issues have been observed in this release.

Known issues in Citrix Receiver for Windows 4.9 LTSR CU7

  • With client rendered Flash or Windows Media redirection enabled, the taskbar preview might not display correctly. [LCMRFWIN-2013]

  • When you upgrade Citrix Receiver for Windows to Version 4.9 LTSR Cumulative Update 7, multiple reg.exe processes might spawn child processes. Those child processes remain until you restart or log off from the client. [LCMRFWIN-2050]

  • With the Citrix HDX RealTime Media Engine plug-in installed, duplicate registry key values might be created when you upgrade Citrix Receiver for Windows to Version 4.9 LTSR Cumulative Update 7. Also, the session does not launch. The session launches only after you remove the duplicate data HDX RealTime Media Engine, SOCKSProxyPlugin, UDPGatewayPlugin from the VirtualDriverEx registry name.

    To enable the fix, set the following registry key:

    • On 32-bit machines:

      HKEY_LOCAL_MACHINE\SOFTWARE\Citrix\ICA Client\Engine\Configuration\Advanced\Modules\ICA 3.0\

      Name: VirtualDriverEx

      Type: REG_SZ

      Data: HDX RealTime Media Engine, SOCKSProxyPlugin, UDPGatewayPlugin

    • On 64-bit machines:

      HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Citrix\ICA Client\Engine\Configuration\Advanced\Modules\ICA 3.0\

      Name: VirtualDriverEx

      Type: REG_SZ

      Data: HDX RealTime Media Engine, SOCKSProxyPlugin, UDPGatewayPlugin

      [LCMRFWIN-2054]

Known issues in Citrix Receiver for Windows 4.9 LTSR CU6

No new issues have been observed in this release.

Known issues in Citrix Receiver for Windows 4.9 LTSR CU5

No new issues have been observed in this release.

Known issues in Citrix Receiver for Windows 4.9 LTSR CU4

No new issues have been observed in this release.

Known issues in Citrix Receiver for Windows 4.9 LTSR CU3

No new issues have been observed in this release.

Known issues in Citrix Receiver for Windows 4.9 LTSR CU2

No new issues have been observed in this release.

Known issues in Citrix Receiver for Windows 4.9 LTSR CU1

Citrix Receiver for Windows 4.9 contains some of the known issues that were present in Versions 4.5, 4.6, 4.7 and 4.8, plus the following, known issue:

  • With Framehawk enabled, the wfica32.exe process might exit unexpectedly when you attempt to log on and off continually. [LCMRFWIN-704]

Known issues in Citrix Receiver for Windows 4.9

  • When you launch a Desktop session in a windowed mode on a Surface Pro, and switching from between Desktop mode to Tablet mode, Desktop Viewer option turns unresponsive. [RFWIN-5837]