Fix Trading Platform Errors & Connection Issues
Diagnose and resolve crashes, disconnects, and broker login issues on your trading platform.
20 articles
Step-by-Step Guide to Creating and Restoring NinjaTrader BackupsEasily back up and restore your trading settings, data, and tools to stay prepared and minimize downtime with NinjaTrader’s backup feature.
Common NinjaTrader Errors and How to Fix ThemWe see it all, so you don't have to figure it out for yourself. See a list of common errors that our users experience on NinjaTrader 8.
How to Clear the Cache in NinjaTrader 8 (NT8)Clearing the cache in NinjaTrader 8 helps improve performance by removing temporary files and outdated data.
How to Check the NinjaScript Output Monitor in NinjaTrader (for Slowness or Unresponsiveness)This article explains how to fix a chart that is lagging using the NinjaScript Utilization Monitor in the NinjaTrader Desktop app.
NinjaTrader Disconnections – How to Diagnose and FixSteps to troubleshoot disconnections from NinjaTrader servers.
Disconnections from TradeStationSteps to troubleshoot disconnections from TradeStation servers.
NinjaTrader Optimization
How to Test Latency to Rithmic, Tradovate, and IBKR on Your QuantVPSTest and verify your QuantVPS latency to Rithmic, Tradovate, and IBKR (api.ibkr.com). Learn how our Chicago-based servers deliver 0–1 ms execution speed for algorithmic traders.
How to Reset the NinjaTrader Database
How to Enable Multi-Provider Mode in NinjaTrader 8Multi-Provider Mode allows you to connect NinjaTrader to multiple data feeds or brokerage accounts at the same time.
How to Manually Send NinjaTrader Log and Trace Files to SupportStep-by-step instructions on how to locate, compress, and send these files directly from your VPS.
How to Whitelist Tradovate Data Feeds on Your VPSThis quick 2-minute guide walks you through the process of whitelisting Tradovate’s IP addresses and ports to ensure the most stable and reliable connection.
How to Whitelist ATAS Platform on Your VPSThis quick 2-minute guide walks you through the process of whitelisting ATAS IP addresses and ports to ensure the most stable and reliable connection.
NinjaTrader Will Not Open or Launch: Step-by-Step ResolutionIf NinjaTrader won’t launch or seems unresponsive, please follow the steps below in order. Each step helps rule out common causes — from stuck background processes to corrupted user files.
NinjaTrader 8 – Login Loop or CAPTCHA PromptIf you’re experiencing repeated login prompts, CAPTCHA loops, or issues connecting to your prop accounts on NinjaTrader 8 (NT8), please follow the steps below carefully.
Prop Firm Connection Guide: Linking Tradovate Accounts in NinjaTraderLearn how to connect your Apex Trader Funding, Bulenox, and other leading prop firm accounts in NinjaTrader. This guide walks you through linking a Tradovate-based Apex Evaluation or Funded Account…
Prop Firm Connection Guide: Linking Rithmic Accounts in NinjaTraderStep-by-step guide to connecting your Rithmic-based prop firm account (Apex Trader Funding, Bulenox, etc.) in NinjaTrader. Learn how to enable Multi-Provider Mode, configure the Rithmic connection, and fix common logon…
How to Whitelist CQG Data Feeds on Your VPSThis quick 2-minute guide walks you through the process of whitelisting CQG's IP addresses and ports to ensure the most stable and reliable connection.
How to Allow MetaTrader 5 Through Windows FirewallIf MetaTrader 5 (MT5) is unable to connect or keeps showing “No Connection” at the bottom-right corner of the platform, your Windows Firewall may be blocking its network ports.
How to Change a NinjaTrader Indicator or Strategy to Calculate On Each Tick vs On Bar CloseLearn how to change NinjaTrader indicators or strategies to calculate On Each Tick vs On Bar Close — now managed per-indicator in newer NT8 versions.