After upgrading to or installing Citrix XenApp 7.12 several applications crash on MfApHook64.dll

Version 1

    Problem

    After upgrading to or installing Citrix XenApp 7.12 several 64-bit applications crash as soon as they are launched.

    The Fault Module Name is MfAphook64.dll located in "C:\Program Files (x86)\Citrix\System32"

    Below is a screenshot of Microsoft Internet Explorer crashing. The crashes are most noticeable but not limited to Microsoft Internet Explorer.

     

     

    Solution

    This issue is resolved in RES ONE Workspace v10.

    In case the Service Release is not (yet) available or in case the Service Release cannot be installed, a revision containing this update is available on request at RES Support.

    IMPORTANT: A revision contains multiple fixes. Only apply this revision when you are experiencing a specific problem.
    Unless you are severely impacted by this specific problem, RES Software recommends that you wait for the next service release containing these fixes.