Step 1: Close All Applications
Make sure NinjaTrader and any related applications are completely closed.
Step 2: Rename Existing Folder
Go to your Documents folder.
Locate the folder named “NinjaTrader 8.”
Right-click it and rename it to: “NinjaTrader 8 OLD.”
⚠️ Do NOT delete this folder. It serves as your backup.
Step 3: Uninstall NinjaTrader
Open Control Panel > Programs and Features
Find NinjaTrader 8 in the list and click Uninstall
Step 4: Remove Program Files
Navigate to C:\Program Files (x86)
If a folder named “NinjaTrader 8” exists here, delete it
Step 5: Reboot Your VPS
Step 6: Reinstall NinjaTrader
Download the latest version from:
Right-click the installer > select Run as Administrator
Choose Complete installation when prompted
Step 7: Rename Folders Again
After reinstalling:
Return to your Documents folder.
You will now see:
NinjaTrader 8 (new installation folder)
NinjaTrader 8 OLD (your original data)
Rename the new NinjaTrader 8 folder to: NinjaTrader 8 Fresh
Rename NinjaTrader 8 OLD back to: NinjaTrader 8
✅ This will restore your full environment (strategies, templates, workspaces, etc.) from your previous installation.
If you need further assistance, we’re happy to help.
—QuantVPS Support