athr.sys (?)
File Name: athr.sys
Developer: Microsoft Corporation
Description: Atheros Extensible Wireless LAN device driver
Size: 1096704 bytes
Version: 2.0.0.74
Creation Time: 6/19/2009 7:10:50 PM
Path: %SYSTEMROOT%:\WINDOWS\winsxs\x86_netathr.inf_31bf3856ad364e35_6.1.7600.16385_none_ad493f9a90f8a50c\
Operating System: Windows 7 Ultimate Edition 32-bit
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Summary
Getting athr.sys error indicates that your Windows 7 Ultimate Edition 32-bit got infected by malware (Adware, Worms, Viruses, Trojan and Spyware) and athr.sys related files are removed by your antivirus software. As usual, your system will display error messages like athr.sys is missing, athr.sys Not Found, Can not find athr.sys. If you don't fix athr.sys error immediately, it might lead to loss of important files and frequent system crashes. So, try to resolve it as early as possible.
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Symptoms
The following symptoms may indicate errors with athr.sys:
athr.sys Not Found
Can not find athr.sys
The file athr.sys is missing
Can't find athr.sys. Reinstalling might help fix this error.
Error code 0x0C97(The primary domain controller for domain )
This application failed to start because athr.sys was not found. Re-installing the application may fix this problem.
Windows could not start because the following file is missing or corrupt: Windows\system32\athr.sys. Please re-install a copy of the above file.
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Reasons
In order to repair athr.sys error, you should know the reasons why you got this error. But before it you must know about what athr.sys is and how it functions. Knowing what it is helps you know how to fix it better. Any type of damage in athr.sys file can interrupt the processing of various applications and might cause system crashing.
Common causes of athr.sys errors:
athr.sys is missing
athr.sys is corrupted
athr.sys is deleted
athr.sys is modified
athr.sys related files got infected by malware (Adware, Virus, Trojan, Spyware, Rogue Security Software)
Regular software installation and uninstallation, incorrect system operation, and registry cleanup.
The path of the file athr.sys is incorrect.
Corruption in Windows Registry
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Solution
No matter which cause is, the most important thing is that the athr.sys errors should be repaired immediately to avoid further issues in your Windows 7 Ultimate Edition 32-bit. Otherwise hardware failure, blue screen of death (BSOD), system crashes and other critical problems may happen. Therefore checking and repairing athr.sys errors is important in order to keep your computer working smoothly, even faster.
Most of the PC users still believe that the solution to fix athr.sys errors depends on the cause of athr.sys errors. But the truth sometimes isn't what we believe.
For example:
Use antivirus/antispyware to fix the athr.sys errors caused by malware:
Any antivirus or antispyware program can't fix athr.sys errors, though it can be a preventive way to avoid these kinds of issues. Sometimes antivirus and antispyware can cause athr.sys errors, even worse. There are 2 well-known cases you may still remember:
#1: On May 18, 2007, Norton detected netapi32.dll and lsasrv.dll as Backdoor.Haxdoor and removed them from XP PCs, as a result millions of computers can't start. You can find that Norton caused much more damage compared with malware from this case.
#2: On Sep 30, 2011, Microsoft Security Essential detected Google Chrome (Web Browser) as PWS:Win32/Zbot and then deleted it. Though Microsoft updated its antivirus/antispyware engine on Oct 01, 2011, more than 135,000,000 computers were infected.
Use registry cleaners to fix athr.sys errors generated due to registry problems:
Registry cleaners are promoted as system optimization tools, they often display tons of system errors and then trick PC users into purchasing to clean the so-called errors. Registry cleaners can cause hardware problems, blue screen of death, slow system performance, even system crashing to your compputer. To protect your benefits, you should remove them immediately. If you don't know which installed programs belong to the registry cleaner category, please see the list of the registry cleaners.
A quicker, safer and easier way to fix athr.sys errors is to choosing a professional DLL repair tool such as DLLSuite. It can automatically scan, diagnose your system and then fix athr.sys errors, also replace any missing, corrupted, deleted and modified DLL files related athr.sys for your Windows 7 Ultimate Edition 32-bit.
DLLSuite also allows you to manually fix athr.sys errors. To recover athr.sys you need to re-register it after you save athr.sys file to its path. To re-register athr.sys, you need to:
1) Click Start
2) Click Run
3) Type regsvr32 athr.sys
4) Press Enter
5) Restart your computer
As there are many DLL files related with athr.sys, if you choose free manual fixes, it takes time because you need to restart your computer many times to activate DLL files. But with automatic fixes, you just need to restart your computer only one time.
3 easy steps to automatically fix athr.sys errors:
1. Download, install and run DLLSuite. http://www.dllsuite.com/Download.html
2. Click Start Scan button to check your system for any missing, deleted, corrupted and mofidied DLL files, also athr.sys related files.
3. Click Fix All when the scan is complete.
DLLSuite by keywords:
Download Missing DLL files | Fix DLL errors | Fix exe errors | Fix sys errors | Fix corrupted files | DLL fixer | DLL repair tool | How to repair DLL error
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Prevention
Follow these general security tips to better protect your Windows 7 Ultimate Edition 32-bit:
Enable Firewall on your Windows 7 Ultimate Edition 32-bit.
Get the latest Windows updates.
Avoid downloading rogue security software.
Enable Firewall on your Windows 7 Ultimate Edition 32-bit
Enable Firewall to protect your computer against adware, virus, Trojan, spyware and malware. Use the DLLSuite built-in tool Windows Security to enable Firewall.
1. Download, install and run DLLSuite.
2. Click MS Tools
3. Click Windows Security to enable Firewall.
Get the latest Windows updates.
Updates help protect your computer against adware, virus, Trojan, spyware and other malware. It is important to update all the software installed in your computer.
You can upgrade your Windows 7 Ultimate Edition 32-bit to download the Microsoft security updates to protect your computer.
To download Windows Updates, please click MS Tools and then click Windows Updates.
Avoid downloading rogue security software
Registry cleaner is one type of rogue security software. It is usually promoted as a system optimization tool. The program will display false system errors and then trick PC users into purchasing. For more information, please see our articles.
Don't be fooled by registry cleaners or system optimization tools.
Don't be fooled by rogue security software.
What is registry cleaner?
What is rogue security software?
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Related Links
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athr.sys in Windows 7 Enterprise Edition 64-bit
athr.sys in Windows 7 Enterprise Edition Service Pack 1 32-bit
athr.sys in Windows 7 Enterprise Edition Service Pack 1 64-bit
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athr.sys in Windows Vista Home Basic Edition Service Pack 2 64-bit
athr.sys in Windows Vista Home Premium Edition Service Pack 1 32-bit
athr.sys in Windows Vista Home Premium Edition Service Pack 2 32-bit
athr.sys in Windows Vista Home Premium Edition Service Pack 2 64-bit
athr.sys in Windows Vista Starter Edition Service Pack 2 32-bit
athr.sys in Windows Vista Ultimate Edition Service Pack 1 32-bit
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athr.sys in Windows Vista Ultimate Edition Service Pack 2 64-bit
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