Please follow the steps listed below to completely uninstall and reinstall NinjaTrader.
- Close all running applications.
- Navigate to your Documents folder > Right-click on the 'NinjaTrader 8' folder > Rename > rename the folder to 'NinjaTrader 8 OLD'. DO NOT delete this folder.
- Uninstall NinjaTrader within Windows Control Panel.
- Navigate to C:\ > Program File (x86) > Delete the 'NinjaTrader 8' folder if it exists
- Reboot your PC.
- Once these steps are completed, download and install NT8 from the link below:
Kind regards,
-ChrisL

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