How to fix rtf64x64.sys Blue Screen in Windows?

What causes How to fix rtf64x64.sys Blue Screen in Windows?

Issues with the computer's hardware
Problems with the driver software
Corrupted system files
Viruses on the PC

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Hello. The other day I witnessed an rtf64x64.sys Blue Screen of Death error on my Windows computer. I was wondering if there is a way to fix the cause of it.

Encountering a BSOD (Blue Screen of Death) error[ref en-1] can be very daunting. It usually appears seemingly out of nowhere. All the work is gone if you have not previously saved it and a blue screen appears on your monitor with a message that does not seem to explain anything.

Another reason why Blue Screen errors should be feared is that they can be caused by issues with the computer's hardware. There is quite a big chance that you may have to bring your device to a repair shop to replace some parts. The error may also be caused by problems with the driver[ref en-2] software.

Recently, some users reported seeing the rtf64x64.sys Blue Screen in Windows. Rtf64x64.sys is a system file for the Realtek network driver that mainly handles ethernet port connection. Most people were able to fix the error by updating or reinstalling their network drivers. However, others sent their Windows laptops or PCs for hardware repairs and the issue still persists.

In this guide, you will find 7 steps that should help you fix the rtf64x64.sys Blue Screen in Windows. However, the troubleshooting process could take a while, so you can use a repair tool like [d1] that can fix various system errors (including BSODs), corrupted files, and registry[ref en-3] issues. Otherwise, you can start with the step-by-step instructions below.

How to fix rtf64x64 sys blue screen in windows

Method 1. Check your PC for Viruses

Launch Settings from the Start menu
Navigate to Update & Security and choose Windows Security
Tap on Virus & threat protection
Click on the Scan options menu below Quick scan

Select Full scan and click on Scan now

Method 2. Fix Corrupted System Files

Use Command Prompt commands to repair system file corruption:

Open Command Prompt as administrator
Use the following command and press Enter:
sfc /scannow

Reboot your system
If SFC returned an error, then use the following command lines, pressing Enter after each:
DISM /Online /Cleanup-Image /CheckHealth
DISM /Online /Cleanup-Image /ScanHealth
DISM /Online /Cleanup-Image /RestoreHealth

Method 3. Update Network Drivers

Access the Run box by pressing the Windows key + R
Type devmgmt.msc and hit Enter
Double-click on Network adapters
Right-click your network driver and tap on the Update driver in the options

Pick the Search automatically for drivers option
You can also use a dedicated utility, like [rev id="DriverFix"], that can find the best drivers for your machine and install them automatically

Method 4. Reinstall Network Drivers

Open the Device Manager as shown in the last method
Right-click on the network driver
Tap on Uninstall driver option
Confirm Uninstall
Restart your PC

Method 5. Run Windows Memory Diagnostic Tool

Open the Run box using the Windows key + R
Type mdsched.exe and press Enter
Choose Restart now and check for problems in the new window

It will ask you to restart your computer
Follow the on-screen instructions

Method 6. Perform a System Restore

Open Control panel from the Start menu
Switch to larger icons from the view by menu in the top right
Locate and choose Recovery from the list
Tap on Open System Restore
In the new window, click on Next and select a restore point before the BSOD started occurring

Follow the on-screen instructions to finish the process

Method 7. Repair Install Windows

Visit the official Microsoft website to download Windows 11 Installation Media
Run the Media Creation Tool and select Create Installation Media for another PC
Select your USB drive
Let the Process complete of writing the Installation files to the USB drive
Click Finish
On the PC you wish to upgrade, Press Windows + E to open the File Explorer
Open the Removable drive and click Setup.exe

Accept the license terms on the next screen
Confirm the Upgrade options – Files, apps and Settings are kept
Click Install, and the upgrade should start

Bottom line

To fix the rtf64x64.sys Blue Screen error, you can check your PC for viruses, repair corrupted system files using Command Prompt, and update or reinstall your network drivers. If these steps do not resolve the issue, consider using a repair tool or seeking professional hardware repairs.

Frequently asked questions

What causes the rtf64x64.sys Blue Screen error in Windows 10?

The rtf64x64.sys Blue Screen error in Windows 10 is typically caused by corrupted or outdated drivers, particularly those related to the hardware or software that involves the RTF (Rich Text Format) functionality.

How can I resolve the rtf64x64.sys Blue Screen error on Windows 11?

To resolve the rtf64x64.sys Blue Screen error on Windows 11, you can try updating your drivers through Device Manager or performing a system restore to revert to a previous state.

Is there a way to prevent the rtf64x64.sys Blue Screen error from recurring on Windows?

To prevent the rtf64x64.sys Blue Screen error from recurring on Windows, ensure that all your system drivers are up to date and regularly run maintenance checks like Disk Cleanup and System File Checker.

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Written & verified by

Sarah Chen

Cybersecurity Analyst

Cybersecurity Threat detection Security hardening Data protection Vulnerability assessment

Sarah Chen is a cybersecurity analyst focused on protecting Windows systems from emerging threats and preventing data breaches. She covers security hardening, vulnerability assessments, and post-infection cleanup for home and small business users. Sarah translates complex security concepts into practical hardening steps — firewall configuration, exploit mitigations, secure boot settings, and defence-in-depth practices that meaningfully reduce attack surface. She stays current with the threat landscape and contributes security advisories to the uGetFix news section when new vulnerabilities affect Windows users.

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