acpipagr.sys Troubleshoot and Download

Sometimes Windows system displays error messages regarding corrupted or missing acpipagr.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 acpipagr.sys file can therefore effect in failed execution of the started process.

acpipagr.sys file ACPI Processor Aggregator Device 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 acpipagr.sys related errors on your device. You can also download acpipagr.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

Fix acpipagr.sys errors

1 Information about acpipagr.sys file
2 Errors related to acpipagr.sys file
3 How to fix acpipagr.sys related errors?

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

4 Download acpipagr.sys

4.1 List of acpipagr.sys file versions

File info

General information
Filename	acpipagr.sys
File extension	SYS
Description	ACPI Processor Aggregator Device Driver

Software
Program	Microsoft® Windows® Operating System
Author	Microsoft Corporation

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

Most common acpipagr.sys file related problems

There are various types of errors related to acpipagr.sys file. acpipagr.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 acpipagr.sys file. If you encounter one listed below (or similar), please consider the following suggestions.

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

acpipagr.sys

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

Problems related to acpipagr.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 acpipagr.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 acpipagr.sys errors in just few steps?

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

acpipagr.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 acpipagr.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 acpipagr.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 acpipagr.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 acpipagr.sys file. After an error related to%fileextension% file has been discovered, the program attempts to automatically replace the acpipagr.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 acpipagr.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 acpipagr.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 acpipagr.sys file

The last solution is to manually download and replace acpipagr.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 acpipagr.sys file.

Go to the folder where the file should be located and paste the downloaded file. Below is the list of acpipagr.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 acpipagr.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 acpipagr.sys

System Windows 10

File size 9216 bytes

Date 2017-03-18

Download

File details
	MD5	9df48517d9acaa1790e204eb61d9a262
	SHA1	249a4aa91ba06ee2a66ef9e134d68d6bee082bad
	SHA256	cefb8979961651d22f80dfb9c82414758ae54e15e71532a9094a08ae08c05961
	CRC32	ee9e11cb
	Example file location	C:\Windows\System32\drivers\

Filename acpipagr.sys

System Windows 8.1

File size 9216 bytes

Date 2013-08-22

Download

File details
	MD5	ee103776f838ae570edbb2c1fb1356af
	SHA1	c3f793fbeb5d9761d220197ff4eb7e28f8f023ed
	SHA256	893fe536eec3e9fbf08fbf3491dd96939dd92879e321a24e1ab4c6f7c5c84961
	CRC32	86c48e45
	Example file location	C:\Windows\System32\drivers\

Filename acpipagr.sys

System Windows 8

File size 8704 bytes

Date 2012-07-26

Download

File details
	MD5	87c4ae693ca8ab6e2a13b7c7453466db
	SHA1	0e52a3450f62995915535aaf3aa341ad1f5b54d7
	SHA256	127d0b337f6b26dcc00e8fbc6a0a403dbef1436d2f3b2c81b2aaa0de6b0a879f
	CRC32	cc352f9f
	Example file location	1: C:\Windows\System32\drivers\