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 is really concerning for 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.

One-Click Troubleshooter (Highly Recommended)

You’re just 2 steps away from fixing this problem…




Estimated download time: 10-15 Seconds

Alternative manual troubleshooting steps are given below:

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 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 great 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 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; choose 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. Simply rollback faulty 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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