Blue Screen Error rtf64x64.sys: Causes and Solutions

The rtf64x64.sys file, associated with Realtek’s packet filter driver, can cause a Blue Screen of Death (BSOD) error on Windows 11/10 systems. This error can manifest during various activities like gaming, video streaming, or even when the device is idle.

Potential Causes of the rtf64x64.sys BSOD Error

  1. Outdated or Corrupted Network/Sound Card Drivers: Outdated or corrupted drivers for network or sound cards, particularly those from Realtek, can trigger the rtf64x64.sys BSOD error.
  2. System Changes: Recent system modifications, such as software installations or updates, may introduce incompatibilities or conflicts, leading to this error.
  3. Hardware Issues: Faulty or malfunctioning network or sound card hardware can also cause the rtf64x64.sys BSOD error.

Solutions to Fix the rtf64x64.sys BSOD Error

  1. Run the Blue Screen Online Troubleshooter: Windows provides a built-in Blue Screen troubleshooter that can automatically diagnose and resolve common BSOD errors, including the rtf64x64.sys issue.
  2. Update Network/Sound Card Drivers: Ensure that the network and sound card drivers on your system are up to date. Download the latest drivers from the manufacturer’s website and install them.
  3. Perform System Restore: If the error persists, consider performing a system restore to revert your system to a previous point when it was functioning correctly.
  4. Replace Network/Sound Card: If all else fails, the issue may lie with the internal network or sound card hardware. Have a qualified technician inspect and potentially replace the faulty component.


The rtf64x64.sys BSOD error can be frustrating, but by following the aforementioned solutions, you can effectively troubleshoot and resolve the issue. Regularly updating drivers, maintaining system stability, and addressing hardware problems can prevent this error from recurring.


What causes the rtf64x64.sys Blue Screen error?

The rtf64x64.sys BSOD error can be caused by outdated or corrupted network/sound card drivers, recent system changes, or faulty hardware components.

How can I fix the rtf64x64.sys BSOD error?

To fix the rtf64x64.sys BSOD error, you can try the following solutions:

  • Run the Blue Screen Online Troubleshooter.
  • Update network/sound card drivers.
  • Perform a system restore.
  • Replace the network/sound card if necessary.

What is the purpose of the rtf64x64.sys file?

The rtf64x64.sys file is associated with Realtek’s packet filter driver, which is responsible for managing network traffic and filtering incoming and outgoing data packets.

How can I prevent the rtf64x64.sys BSOD error from happening again?

To prevent the rtf64x64.sys BSOD error from recurring, ensure that your network and sound card drivers are up to date, avoid making unnecessary system changes, and maintain the health of your hardware components.

What should I do if I am unable to resolve the rtf64x64.sys BSOD error on my own?

If you have tried the recommended solutions and are still experiencing the rtf64x64.sys BSOD error, it is advisable to seek assistance from a qualified computer technician or contact the manufacturer of your network/sound card for further support.

Can the rtf64x64.sys BSOD error lead to data loss?

While the rtf64x64.sys BSOD error itself does not directly cause data loss, it can lead to system instability and potential data corruption if not resolved promptly.

What are some additional tips for troubleshooting the rtf64x64.sys BSOD error?

  • Check for Windows updates and install any available updates.
  • Run a full system scan using an antivirus program to rule out malware or virus infections.
  • Try booting the system in Safe Mode to identify and disable any problematic drivers or software.
  • Consider resetting or reinstalling Windows as a last resort if other solutions fail.

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