NinjaTrader should not be used with OneDrive. You will see file access violations and other issues when OneDrive tries to sync files to the cloud. If you have multiple user profiles set up on your computer, do not have OneDrive enabled for any of the users. We have seen issues, even in this environment.
How to Disable Windows 10 From Using OneDrive as the Default Save Location:
For step-by-step instructions, CLICK HERE.
It is advisable to go into OneDrive settings and double-check that the Documents folder is not set for backup.
Please click on this LINK, which outlines how to make changes in OneDrive.
How to Reinstall the NinjaTrader Platform:
With this procedure, you will not lose any Workspaces, Charts, Custom Items, etc. You will need the license key for this procedure.
Close all running applications.
Make sure NinjaTrader is closed from the Windows Task Manager:
Press CTRL + ALT + DEL on your keyboard > Start Task Manager.
Then, from the Start menu, select --> Control Panel --> Add and Remove Programs or Programs and Features.
From Add and Remove Programs, select NinjaTrader 8 and click Remove.
Restart your PC.
After NinjaTrader is uninstalled, navigate to the following folders and delete any "NinjaTrader 8" folders if any are located here: C:\Program Files (x86)\
or: C:\Program Files\
After completing these steps, use THIS LINK to download and install NinjaTrader.
This is where you will need to input your license key in order to download.