How to fix
IntcAudioBus.sys BSOD error
on Windows

Hello. My Windows PC has started crashing quite frequently with IntcAudioBus.sys Blue Screen of Death error. What should I do to fix this?

A prominent problem that has surfaced for users of Windows 11 is the "IntcAudioBus.sys" Blue Screen of Death (BSOD)[ref en-1] error. Microsoft and Intel have jointly identified a compatibility issue affecting some Intel Smart Sound Technology (Intel SST) drivers,[ref en-2] contributing to the occurrence of these disruptive blue screens.

The Intel Smart Sound Technology Audio Controller, specifically versions 10.29.0.5152 and earlier, is the root of the issue. Examining the Device Manager under System Devices reveals this faulty driver. This compatibility issue may cause users who are seeing the IntcAudioBus.sys BSOD error to experience disruptions and loss of system reliability.

The effects on users can be severe, ranging from disruptions to possible data loss in the event that the blue screen problems cause unplanned system breakdowns. The BSOD error's instability can cause annoyance, reduced productivity, and a generally poorer user experience.

Microsoft and Intel have acknowledged the issue and are actively attempting to find a solution in response to it. It is recommended that users be updated on any patches and upgrades issued by both companies in order to resolve the compatibility issue. It is essential to maintain system and driver updates if you want to avoid or minimize the IntcAudioBus.sys BSOD error.

In the meantime, here you will find 5 steps that should help you fix IntcAudioBus.sys BSOD error in Windows. You can also run a system repair tool like [d1] that can fix most system errors, BSODs, corrupted files, and registry[ref en-3] issues. Otherwise, follow the step-by-step instructions below.

Solution 1. 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

Solution 2. Update Drivers

Outdated drivers could be the cause of this issue. In this case, you can fix it automatically by using [rev id="DriverFix"], which will scan your PC for missing and out-of-date device drivers. Or you can update them manually:

• Open Settings.
• Click on Update & Security.
• Click on Windows Update.
• Click the Check for updates button.
• Click the View optional updates option.
• Click the Driver updates tab.
• Select the driver you want to update.
• Click the Download and install button.

If the View optional updates link is not available after checking for updates, then Windows Update does not have any new drivers or any updates for other products at that particular time.

Solution 3. Uninstall Recent Windows Updates

• Click on Start and select Settings.
• Select the menu Windows Update.
• From the right, click on Update history.
• Scroll down to the bottom part and select Uninstall updates.

• Locate the recently installed update and click on Uninstall. Confirm the popup.
• Finally, the update will be removed after a couple of restarts.

Solution 4. Roll Back Windows Build

• Open Settings in Windows.
• Click on System in the Settings menu.
• Select Recovery from the right-hand menu.
• From the Advanced startup section, click on Restart now.

• Then click on Go back to the previous build.
• Continue with the on-screen prompts to complete the rollback.
• Allow the process to finish and restart your computer.

Solution 5. Use System Restore

System Restore is a feature in Microsoft Windows that allows users to revert their computer's state to a previous point in time. This can be helpful if you have made changes to your system that are causing problems.

• Press the Windows key + R on your keyboard to open the Run box.
• Type SystemPropertiesProtection and press Enter.
• Go to the System Protection tab.

• You will see the System Restore… button. Click it to run System Restore.
• Follow the prompts until you can select a restore point.
• Select the one you want (ideally before the issue started occurring) and go ahead with the process.