Articles on: Ninjatrader

How to Repair NinjaTrader 8

NinjaTrader’s performance may occasionally degrade due to various factors. A commonly effective first step in resolving these issues is to perform a repair on the NinjaTrader application.

Find the NinjaTrader installation file you downloaded. In most cases- it’s located in "This PC" > "Downloads":

Run the installer, on the first step- click "Next":

On the second step in installer- choose the "Repair" option:

On the third step- it will ask you to confirm it. Click on "Repair" again:

Repairing process will begin , so just click "Finish" once it’s done:

Also a great way to improve NinjaTrader 8 performance is to clear cache, you can check the guide here:

Updated on: 12/08/2025

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