How to Repair acpitime.sys? Download Now

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

acpitime.sys file ACPI Wake Alarm. 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 acpitime.sys related errors on your device. You can also download acpitime.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

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Fix acpitime.sys errors

1 Information about acpitime.sys file
2 Errors related to acpitime.sys file
3 How to fix acpitime.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 acpitime.sys

4.1 List of acpitime.sys file versions

File info

General information
Filename	acpitime.sys
File extension	SYS
Description	ACPI Wake Alarm

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 acpitime.sys file related problems

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

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

acpitime.sys

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

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

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

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

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

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

System Windows 10

File size 9728 bytes

Date 2017-03-18

Download

File details
	MD5	280b2f44a62aad966e9ab8319073ad9f
	SHA1	a1552a17d89ba00327dafc7727b71b74c12b5c48
	SHA256	bbe5c7904d5ffb95912d3bf8afc46b3d4576d06a75e6ff9fb586d9a7a233dc62
	CRC32	8fb01061
	Example file location	C:\Windows\System32\drivers\

Filename acpitime.sys

System Windows 8.1

File size 8704 bytes

Date 2013-08-22

Download

File details
	MD5	519fa16cfe54f107861501d852322aef
	SHA1	8efe95215a8915955a77179d0684b9bcd4c8c991
	SHA256	ac81aeaabf7c97f90769a8ee789449db413815c2634999ae0c5825bf40656505
	CRC32	31b81fd2
	Example file location	C:\Windows\System32\drivers\

Filename acpitime.sys

System Windows 8

File size 8704 bytes

Date 2012-07-26

Download

File details
	MD5	38e110c96b2acab4d9a701777c9bcd98
	SHA1	42767014573a8a1e1e00aaeff6612af10104c829
	SHA256	d62a26c5ee6b9900f4bcc1b941437a9b6115478563fc8b77860d783be83c32a9
	CRC32	4038bee9
	Example file location	1: C:\Windows\System32\drivers\