Repair and Download acpiex.sys Now

Sometimes Windows system displays error messages regarding corrupted or missing acpiex.sys files. Situations like that can occur, for example, during a software installation process. Each software program requires certain resources, libraries, and source data to work properly. Corrupted or nonexistent acpiex.sys file can therefore effect in failed execution of the started process.

acpiex.sys file ACPIEx Driver. The file was developed by for use with software. Here you will find detailed information about the file and instructions how to proceed in the event of acpiex.sys related errors on your device. You can also download acpiex.sys file compatible with Windows 10, Windows 8.1, Windows 8 devices which will (most probably) allow you to solve the problem.

Compatible with: Windows 10, Windows 8.1, Windows 8

User popularity

3.1 Scanning for malicious software
3.2 System and driver update
3.3 System File Checker tool
3.4 System recovery

4 Download acpiex.sys

4.1 List of acpiex.sys file versions

File info

General information
Filename	acpiex.sys
File extension	SYS
Description	ACPIEx Driver

Software
Program	Microsoft® Windows® Operating System
Author	Microsoft Corporation

Details
MIME type	application/octet-stream
File type	Dynamic link library
System	Windows NT 32-bit
Copyrights	© Microsoft Corporation. All rights reserved.
Character set	Unicode
Language cod	English (U.S.)

Most common acpiex.sys file related problems

There are various types of errors related to acpiex.sys file. acpiex.sys file may be located in wrong file directory on your device, may not be present in the system, or may be infected with malicious software and therefore not work correctly. Below is a list of most common error messages related to acpiex.sys file. If you encounter one listed below (or similar), please consider the following suggestions.

acpiex.sys is corrupted
acpiex.sys cannot be located
Runtime Error - acpiex.sys
acpiex.sys file error
acpiex.sys file cannot be loaded. Module was not found
cannot register acpiex.sys file:
acpiex.sys file could not be loaded
acpiex.sys file doesn't exist

acpiex.sys

Application could not be started because acpiex.sys file is missing. Reinstall the application to solve the problem.

Problems related to acpiex.sys can be addressed in various ways. Some methods are meant only for advanced users. If you don't have confidence in your skills, we suggest consulting a specialist. Fixing acpiex.sys file errors should be approached with utmost caution for any mistakes can result in unstable or unproperly working system. If you have the necassary skills, please proceed.

How to fix acpiex.sys errors in just few steps?

Remember, before taking any action related to system files perform a backup copy of your data!

acpiex.sys file errors can be caused by various factors, so its is beneficial to try to fix them using various methods.

Step 1: Scan your computer for any malicious software

Windows files are commonly attacked by malicious software that prevents them from working properly. First step in addressing problems with acpiex.sys file or any other Windows system files should be scanning the system for malicious software using an antivirus tool.

If by any chance you don't have any antivirus software installed on your system yet, you should do it immediately. Unprotected system is not only a source of file errors, but, more importantly, makes your system vulnerable to many dangers. If you don't know which antivirus tool to choose, consult this Wikipedia article – comparison of antivirus software.

Step 2: Update your system and drivers.

Installing relevant Microsoft Windows patches and updates may solve your problems related to acpiex.sys file. Use dedicated Windows tool to perform the update.

Go to the Windows "Start" menu
Type "Windows Update" in the search field
Choose the appropriate software program (name may vary depending on your system version)
Check if your system is up to date. If any unapplied updates are listed, install them immediately.
After the update has been done,restart your computer in order to complete the process.

Beside updating the system, it is recommended that you install latest device drivers, as drivers can influence proper working of acpiex.sys or other system files. In order to do so, go to your computer or device producer's website where you will find information regarding latest driver updates.

Step 3: Use System File Checker (SFC) tool

System File Checker is a Microsoft Windows tool. As the name suggests, the tool is used for identyfing and addressing system file related errors, including those related to acpiex.sys file. After an error related to%fileextension% file has been discovered, the program attempts to automatically replace the acpiex.sys file with properly working version. To use the tool:

Go to the Windows "Start" menu
Type "cmd" in the search field
Locate "Command Prompt" result – don't run it yet:
Click the right mouse button and select "Run as Administrator" option
Type "sfc /scannow" in console prompt to start the program and follow the instructions

Step 4: Restoring Windows system

Another approach is to restore system to previous state, before the acpiex.sys file error occured. In order to restore your system, follow the instructions below

Go to the Windows "Start" menu
Type "System Restore" in the search field
Start the system restore tool – it's name may differ depending on version of the system
The application will guide you through the process – read the messages carefully
After the process has finished, restart your computer.

If all the above-mentioned methods failed and the acpiex.sys file problem has not been resolved, proceed to the next step. Remember that the following steps are intended only for advanced users.

Download and replace acpiex.sys file

The last solution is to manually download and replace acpiex.sys file in appropriate folder on the disk. Select file version compatible with your operating system and click the "Download" button. Next, go to your web browser's "Downloaded" folder and copy the downloaded acpiex.sys file.

Go to the folder where the file should be located and paste the downloaded file. Below is the list of acpiex.sys file example directory paths.

Windows 10: C:\Windows\System32\drivers\
Windows 8.1: C:\Windows\System32\drivers\
Windows 8: 1: C:\Windows\System32\drivers\

If the steps did not solve your acpiex.sys file problem, you should consult a professional. A probability exists that the error(s) might be device-related and therefore should be resolved at the hardware level. A fresh operating system installation might be necessary – a faulty system installation process can result in data loss.

File versions list

Filename acpiex.sys

System Windows 10

File size 90528 bytes

Date 2017-03-18

Download

File details
	MD5	fa42ec38e98993b4807f26ebb1c6c5ac
	SHA1	a0a69cfa3691cfcb30a0d1f3dd78b98a3366619b
	SHA256	3e0cbce5eb5f7db660dceff1b472678c999385bf0e1d792aa96b01261f0ccd12
	CRC32	c31d140e
	Example file location	C:\Windows\System32\drivers\

Filename acpiex.sys

System Windows 8.1

File size 61280 bytes

Date 2013-08-22

Download

File details
	MD5	dca3c5f55150b3aeb8b75a5e8d1156dc
	SHA1	620037652edb67a38dc91d2fc7af4c3d85f80b18
	SHA256	5becba14872511e9195b66f5ba290c80978c0dffb08fabb8c5502d6f4b2927b9
	CRC32	3a268213
	Example file location	C:\Windows\System32\drivers\

Filename acpiex.sys

System Windows 8

File size 58608 bytes

Date 2012-07-26

Download

File details
	MD5	3a5da97644b9e2662cff186a8798519c
	SHA1	c74fddb566adfe0f825165ceabb0d68d99960b1a
	SHA256	8af47b3c6c2cdacd1323e97b9c02fddfa2caf68d660b4e8713b160d3c81491ed
	CRC32	032f26d2
	Example file location	1: C:\Windows\System32\drivers\