How to Fix Ftd2xx.dll Not Found or Missing Errors

The Ftd2xx.dll is a dynamic link library file that is used by certain software applications to communicate with USB devices that use FTDI (Future Technology Devices International) chips. If this file is missing or cannot be found by an application, you may encounter errors such as “ftd2xx.dll not found” or “ftd2xx.dll is missing.” Here are some steps you can take to fix these errors:

  1. Restart your computer: Sometimes a simple restart of your computer can fix the issue. This will reload all necessary drivers and services, and may resolve any issues with the Ftd2xx.dll file.
  2. Reinstall the software: If the error is occurring when you are using a specific application, try reinstalling the software. This may replace any missing or corrupt files, including the Ftd2xx.dll file.
  3. Update drivers: If the issue is with a specific hardware device, such as a USB device using an FTDI chip, try updating the device driver. You can do this by going to the manufacturer’s website and downloading the latest driver for your device. Make sure you download the correct driver for your specific operating system.
  4. Restore the Ftd2xx.dll file: If the Ftd2xx.dll file is missing or has been deleted, you can restore it from a backup or download it from a trusted source. Make sure you download the correct version of the file for your operating system and architecture (32-bit or 64-bit).
  5. Run a virus scan: In some cases, a virus or malware infection can cause issues with DLL files like Ftd2xx.dll. Run a virus scan on your computer to check for any infections, and remove any threats that are detected.
  6. Use a system file checker: If none of the above steps work, you can use the built-in system file checker (SFC) tool in Windows to scan for and repair any missing or corrupted system files, including the Ftd2xx.dll file. To run SFC, open the Command Prompt as an administrator, and type the command “sfc /scannow” and press Enter. The tool will scan your system for any issues and attempt to repair them.

If you are still experiencing issues after trying these steps, you may want to consider seeking assistance from a professional technician or contacting the software or hardware manufacturer for further support.

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