Viper Trading Systems is a trading system development and educational services  organization dedicated to providing active traders the tools and training necessary to compete in today’s fast-paced Futures and Forex markets.


  1. Install ViperSCA (Simple copy tree files ViperSCA.cs, ViperSCA.dll, Info.xml in to My DocumentsNinjaTrader 6.5binCustom)
  2. Start Ninjatrader and apply the indicator to a chart
  3. Ninjatrader will complain that you do not have a valid license. Write down or copy the machine code that it gives.
  4. Close Ninjatrader
  5. Install Internet Information Server (IIS) if you haven’t done so before. If you are running a cracked version of Ninjatrader you should not have to do this.

Instructions on how to install IIS can be found here:

XP Pro


Vista Home or XP Home

Home editions do not have IIS. It is still possible to use the crack with a third party

web server. You can download one here:

After installing it, set web page directory to c:inetpubwwwroot in settings.

You have to have it running in the background everytime you run Ninjatrader.

  1. Create the folder C:inetpubwwwrootvendorlicense if it does not exist already.
  2. Copy Viper-R-ViperSCA-MACHINEID.xml to that folder.
  3. Rename the file so MACHINEID is replaced by your machine code
  4. Edit the file with notepad. Replace MACHINEID with your machine code.

The indicator will now work in Ninjatrader if you did everything correctly.

Or, see my video inside folder /Video & screenshots/

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