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 the Diagnostic

There are certain situations when missing entries in your registry and registry corruption causes this problem. Try running a registry scan to identify if there are any such issues.

  1. Click the button below to download and install the Diagnostic
  2. Perform a Registry scan and fix any problems detected.
  3. Restart your computer.

Estimated Download Time: 10 Seconds

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.


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