Blue Screen ahcix64s.sys in Windows 10


The heart of Windows 10 is much the same as with Windows 8.1, yet it delivers a refined, vastly improved vision. Sometimes the lack of stability issue concerns some users. If your Windows 10 randomly pops up ahcix64s.sys error, what are you going to do now? Don’t worry; we’re here to help you sort out this issue.

Download Diagnostic

You’re just 3 steps away from fixing this problem…

1. Download and install the Diagnostic

2. Run full scan

3. Perform system clean-up & repair

Estimated download time: 10 Seconds

What is Diagnostic? How does it work?

Update Device Drivers

In most of the cases reported, this issue was caused due to outdated device drivers – software that facilitate communication between your operating system and hardware. Update the device drivers using the Free Wise Driver Care. Restart your computer after successful completion.

Uninstall Windows Update KB2949927

Windows Update KB2949927 is known to cause ahcix64s.sys error. Here are the steps to remove faulty patch:

1. Press Windows Key to open the Start Screen.

2. Click Settings.


3. Type “Update” in the Search box on the upper right corner.


4. Click “View installed updates” icon under Search Results.


5. In the Search installed updates textbox, type “KB2949927.”


6. Right-click Windows Update KB2949927f, choose Uninstall.

7. Follow the on-screen instructions, and then reboot.

Delete System and Apps Cache

Your system cache becomes overloaded due to a significant number of files. You may be running low on hard disk storage, or your cache contents are corrupted. Delete system and apps cache to free up disk space and fix problems caused due to the corruption of the cache.

1. Click Start | Settings.

2. Click System icon, and then Storage tab.


3. Your drives are now listed under Storage section.


4. Click a large drive icon. Example: C:\

5. Take a look in each section – system and reserved, apps & games, documents, pictures, music, videos, mail, OneDrive, desktop, maps, other users, temporary files, and other.


6. Click a section to clean-up, and accordingly clean-up its contents.


Scan Missing ahcix64s.sys File

Check protected operating system files for corruption. You can choose to replace corrupted/ missing ahcix64s.sys file with its original version during this process.

1. Press Windows Key + X; select Command Prompt (Admin).

2. Execute below command:



3. After successful completion, type EXIT and press ENTER.

Rollback Driver

Your system updated a driver, much to your surprise it stopped working and caused ahcix64s.sys error. Rollback impaired driver to its earlier version.

1. Press Windows Key + X; choose Device Manager.

2. Expand the top node, and then right-click a recently updated driver.

3. Choose Properties.


4. Click the Driver tab.

5. Click “Roll Back Driver” button.

Free Up 10s of GBs of Disk Space!