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How To Fix Ntvdm Citrix Hardware Error?

Resolve Common PC Errors

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    Hopefully this guide will help you if you notice a serious ntvdm citrix error.

    I’m troubleshooting an old DOS app that needs run on a 32-bit Citrix XenApp server. The last time I saw a real DOS application in a production environment was many years ago.

    The WOW Subsystem (NTVDM) crashed while starting the application with the message “NTVM encountered a gross error.” :

    After spending some time troubleshooting, I ran into a similar issue a few years ago where a DOS job worked fine from the console but still refused to start from an RDP or ICA session to work.

    Indeed, the task works fine when run from a real console rather than from a single session console . I noticed that the installation went to full screen after booting (although I put it in windowed mode) and this is probably the reason for ntvdm errors: full screen is available for DOS applications in RDP (and ICA) is not allowed. Treatment sessions as described in Q192190.

    I was looking for a way to make the phone work in windowed mode, but did not find such a solution. So I decided to test the app On PC DOS x86 emulator.

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  • 2. Launch the application and sign in using your account details
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  • And it worked great, no changes were required to get the app to work.

    As a very nice added bonus, DOSBox solves common DOS application problems that plague Citrix XenApp, such as 100% mouse polling and CPU usage.

    I would be even more impressed that the finance application worked great with DOSBox on some of my 64-bit Windows 7 computers!

    One thing I can’t call bad, DOSBox always shows a splash screen that appears and disappears in turn:

    This is generally undesirable when working with a XenApp (or RDS) environment, it just leads to a lot of unnecessary screen enhancements. This might not be a headache on a fast LAN, but it can make a difference when dealing with a slower WAN or high port latency. How to get rid of it?

    There is no command line argument, nor even a configuration option to disable Splash, although I figured my only process would compile the DOSBox source and leave no doubt about the splash screen.

    So I downloaded the source code from the files on the Sourceforge project site and started Visual Studio 2010.

    This has put our company in a dilemma: I relatively believe that the creators deserve their praise, and at the same time, I really want to get rid of all our evil spirits.

    ntvdm hard error citrix

    So I decided to change the code so that the splash screen is displayed on startup while using the console, but not when starting a job from an RDP or ICA formation. This change was very simple, I wrapped the splash screen code with a conditional statement:

    To build the code using Visual Studio, I followed the Build DOSBox with Visual C 2008 article from the wiki.

  • A binary package containing the built DOSBox.exe and its dependencies.
  • Standard package containing modified source code and SDL development libraries. The updated source code is licensed under the GNU GPL.
  • If you would like to use DOSBox, I highly recommend that you make a donation to support the DOSBox project.

    Some other reasons why NTVM encountered a fatal error message might include:

  • Variable% TEMP% plus% TMP% indicates gooda directory that does not have an actual short format (8.3). See also CTX110996.
  • Error when running a specific 16-bit program on Windows Server 2003: “NTVDM encountered a fatal error” (hotfix KB937932).
  • Make sure HKLMSystemCurrentControlSetControlWOWDisallowedPolicyDefault is set to 0
  • Make sure there are no non-existent files in HKLMSYSTEMCurrentControlSetControlVirtualDeviceDriversVDD.