Download and Fix viac7.sys

Sometimes Windows system displays error messages regarding corrupted or missing viac7.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 viac7.sys file can therefore effect in failed execution of the started process.

viac7.sys file Processor 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 viac7.sys related errors on your device. You can also download viac7.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 viac7.sys

4.1 List of viac7.sys file versions

File info

General information
Filename	viac7.sys
File extension	SYS
Description	Processor 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 viac7.sys file related problems

There are various types of errors related to viac7.sys file. viac7.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 viac7.sys file. If you encounter one listed below (or similar), please consider the following suggestions.

viac7.sys is corrupted
viac7.sys cannot be located
Runtime Error - viac7.sys
viac7.sys file error
viac7.sys file cannot be loaded. Module was not found
cannot register viac7.sys file:
viac7.sys file could not be loaded
viac7.sys file doesn't exist

viac7.sys

Application could not be started because viac7.sys file is missing. Reinstall the application to solve the problem.

Problems related to viac7.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 viac7.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 viac7.sys errors in just few steps?

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

viac7.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 viac7.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 viac7.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 viac7.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 viac7.sys file. After an error related to%fileextension% file has been discovered, the program attempts to automatically replace the viac7.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 viac7.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 viac7.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 viac7.sys file

The last solution is to manually download and replace viac7.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 viac7.sys file.

Go to the folder where the file should be located and paste the downloaded file. Below is the list of viac7.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 viac7.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 viac7.sys

System Windows 10

File size 141824 bytes

Date 2017-03-18

Download

File details
	MD5	12ccaf47c42c44a559d27da8ae185950
	SHA1	38ad759b8a2b48cefcdddbafdbdbf3eb9f4cc7ed
	SHA256	d896617621306ef4014d003076bc7bf656b60bd5d8ca7b178fb571707580e95a
	CRC32	7bbf1968
	Example file location	C:\Windows\System32\drivers\

Filename viac7.sys

System Windows 8.1

File size 83968 bytes

Date 2013-08-22

Download

File details
	MD5	ebbbcbc27d7f391188cdf4196ed80d63
	SHA1	33534b9464ea0ce9f8c763a2bff8358c2395f994
	SHA256	2493f56be61dfa54138c2ffaeeb13ed40e168e345ce4b381ef7f34debc6152ec
	CRC32	5f1cf21e
	Example file location	C:\Windows\System32\drivers\

Filename viac7.sys

System Windows 8

File size 77824 bytes

Date 2012-07-26

Download

File details
	MD5	0c3370e2cfe0c1a51c37b58a1938837f
	SHA1	71d0c95f9587996274e76aea1b7c25da412469e6
	SHA256	6b81b9de17674cffcbff4c16df3c5946d39f74c5d858c03f9358e5c2c0d13714
	CRC32	0dfe6f63
	Example file location	1: C:\Windows\System32\drivers\