Trouble Installing NinjaTrader on Vista (assembly policy 8.0 vc80 crt)

[dallastrader]

I was interested in trying out NinjaTrader with an Ameritrade data feed and tried to install it on my Windows VISTA pc but got this error message:


An error occurred during the installation of assembly 'policy.8.0.Microsoft.VC80.crt type="win32-policy", version="8.0.50727.42" publickeytoken= "1fc8b3b9a1e18e3b", processorArchitecture="x86". Please refer to help and support for more information.










Does anyone know what I should do or if I can install it?




thank you!

[dallastrader]

I searched the forum and found a response to check if dotnetframework was installed.

I put %systemroot%\Microsoft.NET\Framework in my browser like microsoft states, and verified all versions of framework are installed.

[NinjaTrader_RyanO]

Hello,

Thank you for your post.

Can you please reinstall the .NET framework.

Please follow the instructions below to re-install the Microsoft .NET Framework on your PC.

• Terminate any applications running on your PC
• Go to the Windows Control Panel
• "Add/Remove programs" for XP users or "Uninstall a program" for Vista users
• Locate and uninstall the .NET Framework
  • If your highest version is 4.0 or greater than do not continue with these instructions and let us know and we will follow up with further instructions
  • If your highest version is 3.5 then proceed and uninstall this version and skip the next line
  • If your highest version is 2.0 then proceed and uninstall this version
• Install version 3.5 of the .NET Framework which contains the 2.0 version which is required by NinjaTrader 6.5 (Download from here)
• After the install please check for updates to the .Net Framework with the Windows Update function

Note: Do not reboot your PC in between these steps as this can potentially create more issues that we are unfortunately not qualified to assist with.

[dallastrader]

I did the uninstall and clicked that link and installed it and it still gives me that same error message. I tried it from explorer and then firefox. Tried running it to install and tried saving it and then installing. Nothing seems to work, keep getting that error.

[NinjaTrader_RyanO]

Hello,

Please follow the instructions below to accomplish a successful download of the NinjaTrader application.

• Within your web browser (Internet Explorer for most users) select the menu Tools > Internet Options
• Delete your browsing history
• Attempt the download again

If the above does not work then try:

• Repeat above instructions
• Use a different browser such as Firefox and attempt to download

If the above fails, please let us know and we will provide further instructions.

[dallastrader]

I cleared the browser cookies and tried again on explorer, then cleared on firefox and tried again on that, still got the same error message.

[NinjaTrader_RyanO]

Hello,

Can you please do a complete uninstall, which includes clearing the browser cache.

Please follow the steps listed below to completely uninstall and reinstall NinjaTrader:

1. Close all running applications.
2. Then from the Start menu select --> Control Panel --> Add and Remove Programs.
3. From Add and Remove Programs select NinjaTrader 6.5 and click Remove.
4. Then manually delete the folder "NinjaTrader 6.5" located under Start --> My Documents.
5. Delete any NinjaTrader installation files. This can be done by going to Start --> My Computer --> Search button --> search for (NinjaTrader*) --> select Local C Disk and then press search.
6. Then you will need to clear your internet browser cache and history. You will clear this from within your internet browser (with IE, Tools-->Options, delete cookies and files, clear history).
7. Reboot your machine.
8. Once these steps are completed, download NT6.5 from the link below:
   Download

Please let us know if you are able to get up and running after the reinstall.