Fix BEDaisy.sys BSOD Blue Screen Error in Windows 11 or 10

Methods to solve BEDaisy.sys Blue Screen Error or BSOD in Windows 11 or 10.


Do you encounter system crash, freeze, and lagging when trying to launch games like Destiny 2, Fortnite, R6 Siege, Dayz, or other through Battleye anti-cheat? Most of the time, blue screen error occurs with What failed: Fix BEDaisy.sys accompanied by Page_Fault_in_Nonpaged_Area, System_Scan_at_Raised_Irql_Caught_Improper_Driver_Unload, Attempted_Write_To_Readonly_Memory, Kernel_Security_Check_Failure, and System_Thread_Exception_Not_Handled in this case. When the error appears the computer might be stuck in reboot loop and the game frequently crashes.

What failed: BEDaisy.sys BSOD error commonly occurs because of incorrect installation of the game,  Intel Turbo Boost Technology settings in BIOS, and Opera GX browser. Furthermore, obsolete Network adapter drivers, and corrupted system files, are occasionally reasons for this issue. The best part is the error is solvable only you need to follow the methods by turn. See: Fix Escape from Tarkov Blue Screen Error BSOD in Windows 11 or 10.

BEDaisy.sys failed Blue Screen Error BSOD in Windows 11 or 10

Here is how to fix BEDaisy.sys BSOD Blue Screen Error in Windows 11 or 10 –

Way-1: Uninstall and Properly Install the Game

The main cause of this error is the incorrect location of BEDaisy.sys and PUBG. Battleye or some other reasons changed the folder of the games you are playing. There are 2 solutions to this problem: if you have knowledge of where the game files are located manually place BEDaisy.sys in that one or fully uninstall Battleye and the game and then reinstall them.

System restore might also work to fix the BSOD if the restore point is created before the issue occurred. We will here provide the solution one by one, so follow the first one, it means uninstall and reinstall the Game and Battleye:

  1. Press – Winkey+R.
  2. Type – appwiz.cpl.
  3. Hit Enter to launch the Programs and Features window.
  4. Find the game creating the issue and right-click on it.
  5. Select Uninstall.
  6. Click on Yes.
how to fix BEDaisy.sys BSOD Blue Screen Error in Windows 11 or 10
  1. In case, any uninstallation wizard appears follow the instructions.
  2. In the same way, uninstall Battleye.
  3. You can download Battleye uninstaller to completely remove the launcher.
  4. Then go to the respective websites and freshly install the games and Battleye.

Way-2: Perform System Restore

If a restore point is created before the start of BEDaisy.sys PUBG or any bug check then this method will make your life easy.  System restore is a useful tool to have in your troubleshooting arsenal that can help you undo changes made to your computer and revert them back to a previous state where they were functioning properly.

This is a built-in feature that captures periodic snapshots of the system configuration and stows them as restore points. Using this you can bring back the system exactly in the condition when there was no error occurring.

  1. Click on Search.
  2. Type – rstrui.exe.
  3. Press – Enter.
  4. On the System Restore wizard, check the option – “Choose a different restore point” and click on Next.
  5. Select a date and time when BEDaisy.sys failed error did not start to appear.
  6. Click Next.
  7. Reanalyze your selections and click on Finish.
confirm your restore point next button
  1. When a warning popup shows, click on Yes.
  2. This process will take some time so stay patient and restart your device.

Way-3: Remove Opera GX

Opera GX is a web browser designed for gamers that can limit the amount of CPU and RAM and allow them to allocate more resources to their games. Several players use this application but it can trigger BEDaisy.sys blue screen Destiny 2 error in Windows 11 or 10.

To deal with this BSOD, remove the browser from your computer by heading to the instructions:

  1. Press Windows and S keys.
  2. Type Control and hit Enter.
  3. When the Control panel opens, click on Programs and Features.
  4. On the Control Panel\All Control Panel Items\Programs and Features window, right-click on Opera GX and select Uninstall.
BEDaisy.sys failed Blue Screen Error
  1. Confirm the prompt.
  2. Restart the computer and check if the error is fixed.

Way-4: Disable Intel Turbo Boost Technology in BIOS

Intel Turbo Boost Technology is a powerful feature that can significantly improve the performance of Intel processors but it increases the temperature of the processor, which can cause the computer to become unstable or crash if it’s not adequately cooled.

Many users report that the system is heated before Battleye BEDaisy.sys BSOD appears. In this case, disabling Intel Turbo Boost Technology in BIOS is likely to fix the issue. Therefore, follow the steps:

  1. Shut down the computer and turn it on.
  2. Press Esc just after you have powered on the PC (or use function keys according to the manufacturer’s guidelines).
  3. Enter BIOS/Platform Configuration (RBSU).
  4. Select Performance Options.
  5. Make Intel (R) Turbo Boost Technology Disabled and press Enter.
  6. If BIOS does not provide this option use ThrottleStop software for the same.

Way-5: Use Command line utilities SFC and DISM to repair corrupted elements

SFC (System File Checker) and DISM (Deployment Image Servicing and Management) are two tools available in Windows that can help fix BEDaisy.sys blue screen error in Windows 11 or 10. SFC compares the system files to the original files and If it finds any corrupted or missing ones, it will replace them with a cached copy of the files stored on the computer or with the original installation media.

DISM, on the other hand, is a more powerful tool that can repair the Windows system image, which includes the operating system, device drivers, and other system components. Run both of them in the below manner:

  1. Click on Start and type cmd.exe.
  2. Select – Run as administrator.
  3. When the User account control dialog box appears, click on Yes.
  4. On the Administrator: Command Prompt, type SFC /SCANNOW and press Enter.
  5. Allow the process to complete and when you see “Windows Resource Protection did not find any integrity violations.” reboot the computer.
  6. See if the BSOD is solved then alright else open Administrator: Command Prompt again and run the following commands sequentially:
dism /online /cleanup-image /checkhealth
dism /online /cleanup-image /scanhealth
dism /online /cleanup-image /restorehealth
Use Command line utilities SFC and DISM to repair corrupted elements
  1. When done with all 3 commands, restart your PC.

Way-6: Run the Windows Memory Diagnostic tool

Sometimes, Bad memory can generate BEDaisy.sys BSOD when launching games like Destiny 2, R6 Siege, Fortnite, and Dayz with Battleye. Fortunately, there is a utility that will quickly repair the problem if follow the instruction:

  1. Press Windows and R keys.
  2. Type mdsched.exe.
  3. Hit Enter to open Windows Memory Diagnostic tool.
  4. Once a wizard appears, click on Restart now and check for problems (recommended).
Fix BEDaisy.sys BSOD
  1. The tool will reboot the device and repair the memory issues if finds any.

Way-7: Uninstall Network driver

In some cases, the outdated network driver is found culprit when BEDaisy.sys Battleye Blue Screen error appears. Driver establishes intercommunication between hardware and Windows operating and when there is any glitch occurs in it system may start crashing. Hence, update the driver using the following guidelines:

  1. First, download the latest version of Qualcomm Atheros driver from the manufacturer’s website
  2. Then, right-click on Start and select Device Manager.
  3. Double-click on Network adapters to expand the list of drivers.
  4. Right click on the Qualcomm Atheros driver and select Uninstall device.
Qualcomm Atheros driver and select Uninstall device manager


  1. On the warning pop-up, Check the box for Attempt to remove the driver for this device.
  2. Then, click on Uninstall.
  3. Reboot the computer and install the downloaded driver.
  4. Check if the issue still persists or if it is fixed.

Way-8: Execute clean install

If all the methods fail to work then Clean install is the last destination to fix BEDaisy.sys BSOD. Clean installing Windows 11/10 is the process of installing the operating system on a computer with a completely new installation, without keeping any previous files, programs, or settings. Follow the articles to clean install:

  1. How to install Windows 11 without TPM and Secure Boot
  2. How to Use Rufus to Install Windows 10

Way-1: Uninstall and Properly Install the Game
Way-2: Perform System Restore
Way-3: Remove Opera GX
Way-4: Disable Intel Turbo Boost Technology in BIOS
Way-5: Use Command line utilities SFC and DISM to repair corrupted elements
Way-6: Run the Windows Memory Diagnostic tool
Way-7: Update Network driver
Way-8: Execute clean install

That’s all!!

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Topics:  Windows
About Sunita
Love to play with Windows 11 and 10. Suggestion - Going for Registry change or system files edit then remember to take a backup or create a restore point before Starting.