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What is ati2mtag?

Ati2mtag.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 OS, hardware etc.
The free file information forum can help you determine if ati2mtag.sys belonging to the Windows system or an application you can trust.

Run a free scan to check for ati2mtag drivers in need of updating

Ati2mtag.sys file information

The process known as ATI Radeon WindowsNT Miniport Driver or ATI Radeon Miniport Driver or ATI RAGE (version 6 Miniport Driver) belongs to software ATI Radeon WindowsNT Miniport Driver or ATI Radeon Family by ATI Technologies (www.ati.com).

Description: The original ati2mtag.sys is an important part of Windows and rarely causes problems. ati2mtag.sys is located in the folder C:\Windows\System32\drivers. Known file sizes on Windows 7/XP are 701,440 bytes (6% of all occurrences), 986,624 bytes and 51 more variants. http://www.file.net/process/ati2mtag.sys.html 
The driver can be started or stopped from Services in the Control Panel or by other programs. The ati2mtag.sys file is a Windows system file. The program has no visible window. The service has no detailed description. The ati2mtag.sys file is a Microsoft signed file. ati2mtag.sys seems to be a compressed file. Therefore the technical security rating is 8% dangerous, however also read the users reviews.

Recommended: Identify ati2mtag.sys related errors

Important: Some malware disguises itself as ati2mtag.sys, particularly when not located in the C:\Windows\System32\drivers folder. Therefore, you should check the ati2mtag.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.


User Comments

it's keeping XP pro for powering down: gives "safe to shutdown windows" message. Found this little sweetheart with event viewer.
  thank you!  
couseing blue screen error
  Ivan Nikitovic   (further information)
Ati system drivers component
see article 737-23733 on AMD/ATI support knowledgebase for problems associated with at12mtag
  dungib   (further information)
Source: ati2mtag, causes this error and reboots my PC: CPLIB :: HDCP - Failed HDCP key binding verification
It is a part of the ATI Display Drivers (Mobility Radeon im my case)
  Michael Postmann  
certain error messages are thrown by media player classic
  da wolf  
Standard in the windows xp driver package, addresses ATI graphic cards and/or ATI chipsets
Causing my system to reboot randomly. But it seems an essential part of video software, Am lookin for different version.
it is an ATI driver that is writing errors in event viewer
  leroy jenkens   (further information)
IDT Hook 0x01, 0x03 seit ATI version 7.12
The Ati Mobility Radeon asks this file though this file is in the instalation program.
  George, Athens Greece  
I noticed than it is an important file and maybe causing Windows unstable if deleting it. I thinked.
IT WILL NOT ALLOW ME TO UPgrade to newer radeon drivers,it gets right to the point of loading the ati2 file..and then it asks for the ati disk(video) which i \,like all the others cannot find ..and i have the original disk for the abitat832x board,i have the catalyst driver disc that came with the radeon video card..I mean it seems that it should be on these?..i really wish i could get some help here.....thanks....eddie,a thought..do all u folks that are having this prob,run sata/raid...i'm thinking (from dubbin around for 2 day with this that the uli sat raid is invoved?..i dunno
  Eddie Clark  
It's infected at a friends PC, don't know if I should delete
  Roberto Strife  
videodrav radeon
vga controller
I have ATI Radeon 4600 HD series running in an old but kept computer, and it is an ATI related sys file. I would say to keep it, or re-install drivers if a problem.

Rating chart

Summary: Average user rating of ati2mtag.sys: based on 30 votes with 19 user comments.
19 users think ati2mtag.sys is essential for Windows or an installed application. 6 users think it's probably harmless. One user thinks it's neither essential nor dangerous. 3 users suspect danger. One user thinks ati2mtag.sys is dangerous and recommend removing it. 8 users don't grade ati2mtag.sys ("not sure about it").

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Ati2mtag scanner

Security Task Manager shows all running Windows tasks including embedded hidden functions (e.g. keyboard or browser monitoring, autostart entry). A unique security risk rating indicates the likelihood of the process being potential spyware, malware, keylogger or a Trojan.

Malwarebytes Anti-Malware detects and removes sleeping spyware, adware, trojans, keyloggers, malware and tracking threats from your hard disk. Ideal supplement to Security Task Manager.

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Other processes

ati2mtag.sys [all]