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What is anio?


Anio.sys is a Windows driver. A driver is a small software program that allows your computer to communicate with hardware or connected devices. This means that a driver has direct access to the internals of the operating system, hardware etc. The free file information forum can help you determine if anio.sys is a Windows system file or if it belongs to an application that you can trust.

Run a free scan to check for anio drivers in need of updating

Anio.sys file information

The process known as ANIO (NT5) Driver belongs to software ANIO Service or ANIO (NT5) Driver by Alpha Networks (www.alphanetworks.com).

Description: Anio.sys is not essential for Windows and will often cause problems. The file anio.sys is located in the C:\Windows\System32 folder. Known file sizes on Windows 8/7/XP are 28,205 bytes (58% of all occurrences), 28,195 bytes, 24,288 bytes or 29,411 bytes. http://www.file.net/process/anio.sys.html 
The driver can be started or stopped from Services in the Control Panel or by other programs. The program is not visible. The service has no detailed description. It is not a Windows core file. anio.sys appears to be a compressed file. Therefore the technical security rating is 40% dangerous, however you should also read the user reviews.

Recommended: Identify anio.sys related errors

Important: Some malware camouflages itself as anio.sys. Therefore, you should check the anio.sys process on your PC to see if it is a threat. We recommend Security Task Manager for verifying your computer's security. This was one of the Top Download Picks of The Washington Post and PC World.

Score

User Comments

Until now not dangerous, but impossible to uninstall. Hard to find any information about it.
  Joey11   (further information)
Not Sure Where It Came From But Have Hunch
  ajwartman  
it come from d-link wireless-lan driver same with ANIWZCSd Service
  stp  
It's been stated elsewhere that anio.sys comes from a D-Link wireless NIC driver, which fits, as I started getting the error after installing the wireless NIC. Unfortunately, without the NIC, I have no net, so it's not like I can say definitively that it was the driver that caused it -- enabling my net may merely have enabled the problem to be seen.
  CJ   (further information)
it comes from D-link - updated air-plus program
  racy1  
Seems to be associated with D-Link and screws up logging onto E Bay and Google homepage. Attempts to connect at very short intervals, canot uninstall it - yet!
  Mark Board  
associated with D Link Wireless Card
  jon  
maybe it cames from the d-link driver for wlan (usb-)devices.
  derron  
installs itself with d-link wifi usb cards
  iommi  
part of d-link wireless PCI installation software (dwlg510)
   
i have heard that its a d-link wireless program
  colin442  
as soon as i click yes, let it access through my firewall my system crashes
   
It seems to be installed when you install a D-Link Wireless connection, but as D-Link is made in China maybe it is spyware.
  SolZephyr  
it's a driver connected with installation of D-Link WLAN
  David W.  
Installed as part of the D-Link WLAN Drivers for XP Home/Pro/ Server 2003 R2. Removal is initiated via Add/Remove Programs interface in windows. Core services (D-Link Applications Drivers listed in Add/Remove Programs) must be removed in a REVERSE string of the installation in order to succeed. Without this application the WLAN for D-Link will not acquire signal (NO CONNECTION).
  UnixPimp  
comes with d-link. stop by my firewall and the wireless network works fine
  Loran  
Anio.sys comes with the D-Link wireless NIC driver, and is pretty harmless.
  Demitri  
It keeps on bluescreening my new pc... :-(!
  J  
installed itself onto my wireless lan utility and subsequently opened opened up an NT logon. It seems to use your wireless connection to access your PC and information by creating screenshots and sending it to the remote server. I don't know how long it was installed in my system or even how long he/she used my drives as "shared files" and peered into my documents.
  NotTooHappy  
See D-Link official FAQ. Required for WPA and WPA-PSK
  JCE   (further information)
its apparently a Wi-fi utility prog, gets into yr system when you install Linksys, D-Link or sdimilar wi-fi
  Raybong Dubai  
seems like alot of people think it comes from the Dlink wireless lan. AND they have to type it here even though 10+ people had already done so.
  Wes  
I noticce that when I use mozilla or chrome, it gives me an unsecure certificate/ or ''not safe do you want to continue""
  MIke  
Anio.sys comes with the D-Link wireless
  Dragan  
it is part of D-Link wireless, I have no internet without it for Windows 7, need digitally signed driver
  Donna  
I found it in my add or remove programs folder, and wondered what it was; hence found it here and at other sites. I have D-Link wireless, so from what I have seen here and elsewhere I assume it's part of that installation. As far as I can tell, it has had no adverse effects on my computer, and my AVG free security has reported no errors from it.
  Adiaction  
Error started on 3 PCs right after XP SP3 - seems to be incompatible with ANIO drivers. Stopped after a subsequent update on one, on another I just disabled it. Can't find a really good answer about this anywhere.
  JL  
Contacted D-Link - they disavow affiliation with ANIO & ANIWZCS programs. I have D-Link wireless adapter - went straight to them to inquire. Believe these programs - installed w/o permission (sneakily-surreptitiously) that fact alone raises suspicions and concerns. Experiencing molasses browsing w/18 mbps internet connection. IObit Uninstaller not only removed program files, but also deep scan removal of all registry traces & affiliated files - which were alarmingly numerous. All gone now. Buh bye.
  PCPatriot  
add/remove it after removing d-link from add/remove list (easy)
  farmeral  
It was removable by uninstalling D-Link Air first
  Ulf i Kungsbacka  

Rating chart

Summary: Average user rating of anio.sys: based on 22 votes with 30 user comments. 5 users think anio.sys is essential for Windows or an installed application. 7 users think it's probably harmless. 4 users think it's neither essential nor dangerous. 3 users suspect danger. 3 users think anio.sys is dangerous and recommend removing it. 10 users don't grade anio.sys ("not sure about it").


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Best practices for resolving anio issues

A clean and tidy computer is the key requirement for avoiding problems with anio. This means running a scan for malware, cleaning your hard drive using cleanmgr and sfc /scannow, uninstalling programs that you no longer need, checking for Autostart programs (using msconfig) and enabling Windows' Automatic Update. Always remember to perform periodic backups, or at least to set restore points.

Should you experience an actual problem, try to recall the last thing you did, or the last thing you installed before the problem appeared for the first time. Use the resmon command to identify the processes that are causing your problem. Even for serious problems, rather than reinstalling Windows, you are better off doing a repair of your installation, or in the case of Windows 8, executing the DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

To help you analyze the anio.sys process on your computer, the following programs have proven to be helpful: Security Task Manager displays all running Windows tasks, including embedded hidden processes, such as keyboard and browser monitoring or Autostart entries. A unique security risk rating indicates the likelihood of the process being potential spyware, malware or a Trojan. Malwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.



Other processes

anio.sys [all]