IQFeed Troubleshooting - Windows Security (Real Time)

Author: Optuma Team Last updated: Jun 22, 2021 12:19


The Windows inbuilt Security system for Windows 10 includes a real-time monitoring component that can slow down the Optuma / IQFeed connection.


Add Optuma and IQFeed as Exclusions from the real-time protection process.


  1. Close Optuma and IQFeed
  2. Click on the Windows start button and search for Windows Security. Click on the option that is found.
  3. In the window that displays left click the Virus & Threat Protection shield icon.


  4. In the window that opens, scroll down to the Virus & Threat Protection Settings and click the Manage Settings link.


  5. In the window that opens, scroll down to the Exclusions section and click the Add or Remove Exclusions link.


  6. In the window that opens click the Add an Exclusion button and select Folder from the drop down menu.


  7. Select the Optuma program folder, by default this will be:

    C:\Program Files\Optuma\

  8. Repeat Step 6 and add the following folder paths:
  • C:\ProgramData\Optuma\Data\
  • My Documents\Optuma\
  • C:\Program Files (x86)\DTN\IQFeed\

Note: The “ProgramData” folder may be hidden by Windows.

Once this has been completed all four Optuma folders should appear in the Windows Security page:


Close back to the Desktop and restart the system to complete the process.