How to fix rzudd.sys BSOD in Windows?


Issue: How to fix rzudd.sys BSOD in Windows?

I'm encountering a BSOD error (rzudd.sys) on my Windows 10 due to my Razer Anansi keyboard. Whenever I press a key on it, the system crashes. Switching to a different keyboard solves the problem, but as soon as I connect and press any button on the Anansi, the issue resurfaces.

Solved Answer

The Blue Screen of Death, often abbreviated as BSOD, is a common but daunting sight for Windows users. This full-screen error, typically depicted in a shade of blue, indicates a fatal system error from which the operating system cannot safely recover. The BSOD is usually a symptom of a low-level software or hardware issue, such as driver incompatibility, memory corruption, or system resource conflicts. The nature of the problem that caused the crash is often hinted at by an error code or the name of a file, such as rzudd.sys.

Some users may experience a BSOD crash specifically due to a file named rzudd.sys – a device driver developed by Razer Inc. for its range of peripherals, including keyboards and mice. As a driver, this file's primary function is to facilitate communication between the operating system and the hardware device it is associated with. When functioning properly, the rzudd.sys file ensures that input from a Razer device is accurately translated into signals that Windows can understand and respond to.

However, crashes can occur when this file encounters issues. These could stem from various causes, including software bugs, conflicts with other drivers, or corruption of the rzudd.sys file itself. The crashes can affect any Razer device connected to the system, which could be detrimental to the user experience, especially for gamers and other users who heavily rely on these peripherals.

How to fix rzudd.sys BSOD in Windows?

While these crashes may seem daunting, they are not insurmountable problems. Solutions can range from updating or reinstalling the driver to scanning for malware or even replacing the hardware, depending on the cause. These steps are usually enough to rectify the issue, and detailed instructions on how to execute them can be found below.

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Fix 1. Update your Razer device driver

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An outdated or incompatible driver could be the cause of the rzudd.sys BSOD. Updating the driver can provide patches for known issues and enhance system compatibility, which can potentially resolve the problem.

  • Open Device Manager by right-clicking on the Start Menu and selecting it from the list.
  • Find your Razer device in the list of hardware, right-click it, and select Update Driver.
  • Choose Search automatically for updated driver software and follow the prompts.
  • Once done, restart your system to implement the changes.

Update driver

Unfortunately, Windows might not locate the latest driver for your software. Thus, you should either download the driver from the Razer website manually or employ automatic options, such as DriverFix.

Fix 2. Reinstall the Razer device driver

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Sometimes, certain files associated with the driver could become corrupt. Reinstalling the driver could replace these files and possibly fix the rzudd.sys BSOD.

  • Right-click on Start and pick Device Manager.
  • Expand the section with malfunctioning driver, for example, Mice and other pointing devices.
  • Right-click the device and select Uninstall device.
  • In the confirmation window, tick the Delete the driver software for this device checkmark and click Uninstall.
  • Restart your system and use one of the above methods to install the newest driver for your system.

Reinstall driver

Fix 3. Scan for malware

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Malware can often interfere with system files and cause a myriad of PC issues, including crashes with BSOD. While you can employ any reputable third-party security software, using Microsoft Security Scanner is a free option, as well as the built-in Windows Defender. If you choose the latter, follow these steps:

  • Type in Windows Security in Windows search and press Enter.
  • Select Virus & threat protection.
  • Pick Scan options.
  • Select Microsoft Defender Offline scan and click Scan now.
  • The computer will now restart, and the scan begin.

Scan for malware

Fix 4. Reinstall Razer Synapse

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To repair damaged system, you have to purchase the licensed version of Fortect Mac Washing Machine X9.

Razer Synapse is the software used to manage and configure Razer devices. Corruptions or errors within this software can lead to issues like the rzudd.sys BSOD. Uninstalling and reinstalling Razer Synapse can help resolve these issues.

  • Open the Control Panel by pressing Win+X and choosing it from the menu.
  • Go to Programs and Features.
  • Find Razer Synapse in the list, click it, and select Uninstall.
  • Follow the prompts to uninstall the software.

Uninstall Razer

  • Press Win + E to open File Explorer.
  • Go to the View tab and tick the Hidden items checkbox.
  • Go to the following locations and delete the contents of these folders:
    C:\Program Files (x86)\Razer

Remove leftover files

  • Restart your computer.
  • Go to the official Razer website and download the latest version of Razer Synapse.
  • Install the downloaded software and follow the prompts to complete the installation.
  • Restart your computer and check if the rzudd.sys BSOD issue has been resolved.

Some users said that keeping the software off their computers helped to resolve all issues, although this is not optimal.

Others said that removing Razer Synapse, reinstalling drivers, and then reinstating software stopped BSODs.

Fix 5. Perform a System Restore

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To repair damaged system, you have to purchase the licensed version of Fortect Mac Washing Machine X9.

If the rzudd.sys BSOD started appearing recently, a change in your system could be the cause. System Restore can revert these changes.

  • Type in Create a Restore point in Windows search and hit Enter.
  • Go to the System Protection tab and pick System Restore.
  • Click Next.
  • Click Show more restore points (if available).
  • Pick the time before the problem occurred and click Next.
  • Follow the prompts to finish the process.

System Restore point

A related article that might be helpful: How to fix Razer Synapse not opening: mouse, keyboard, and other device problems?

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About the author
Jake Doe
Jake Doe - Computer technology geek

Jake Doe is the news editor at UGetFix. Since he met Ugnius Kiguolis in 2003, they both launched several projects that spread awareness about cybercrimes, malware, and other computer-related problems.

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