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What does the Ati2evxx.exe file do?

The Ati2evxx.exe process is also known as ATI External Event Utility EXE Module or, as the case may be, Ati HotKey Poller and is a part of ATI External Event Utility for Windows. This software is produced by ATI Technologies (www.ati.com). An obsolete or defective version of Ati2evxx.exe can cause problems for your computer that can range from slowness to error messages such as these:

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What you should know about Ati2evxx.exe ATI External Event Utility EXE Module

Ati2evxx.exe is not part of Windows, but it is important nonetheless. Ati2evxx.exe is found in the C:\Windows\System32 directory. Frequently occurring are file sizes such as 602,112 bytes (25% of all these files), 643,072 bytes as well as 53 other variants.
It is the service "Ati HotKey Poller".
The program executes in the background, and can only be terminated using Windows Task Manager. The Ati2evxx file is not part of the Windows operating system. To verify its trustworthiness, Microsoft has provided it with an embedded certificate. Ati2evxx.exe is capable of monitor other applications as well as hides its presence from system tools. For this reason, 32% of all experts consider this file to be a possible threat. The probability that it can cause harm is high.

If you see this file on your hard drive or in Windows Task Manager, please make sure that it is not a malicious variant. It's a fact that many trojans try to cloak their true identity by calling themselves Ati2evxx.exe. With the above information or by using tools like Security Task Manager you can determine if, in your case, the file is an undesirable variant.

What do other computer users say about Ati2evxx?

it is for ATI Grafik Card user (further information...)
ATI driver (envent agent) (further information...)
After doing a "save nothing" update from Vista to Windows 8 Pro, and installing the ATI CCC, Task Manager showed ati2evxx.exe using 85-99% of CPU. I disabled ati2evxx.exe and all ran as I expected, including the exclusive use of an external (2nd) monitor. (further information...)

Summary: 110 users judge Ati2evxx.exe to be an essential file that should not be touched. 15 users consider it harmless. However, 19 users consider this to be a suspicious process and would like to get rid of it. For this reason, 30 users have already deleted Ati2evxx.exe. source: file.net

How to uninstall ATI External Event Utility for Windows

To remove ATI External Event Utility EXE Module from your computer, please follow the manual instructions below or use an automatic uninstaller product.

  1. Click the Windows Start Button. You find it in the lower left corner of the taskbar.
  2. Type the word uninstall.
  3. Click Add or remove programs.
  4. Now locate ATI External Event Utility for Windows in the list of displayed applications.
  5. Click the program, and then click Uninstall.
Remove software in Windows 10
Ati2evxx.exe ATI External Event Utility EXE Module fix

How to tell if Ati2evxx.exe (ATI External Event Utility EXE Module) was uninstalled cleanly

After uninstalling, restart your computer. Then start Windows Explorer and see if there is still a folder with the name of the software under C:\Program Files. Be sure to check the Registry as well for remnants of ATI External Event Utility EXE Module. To do this, start "Regedit", then look under "HKEY_LOCAL_MACHINE" > "Software" for ATI External Event Utility EXE Module or the name of the producer. Always keep in mind that only a computer professional should ever directly delete entries in the Windows Registry.

What to do if a program does not uninstall

The easiest way to remove any kind of software cleanly and accurately is to use an uninstaller tool. Because the uninstaller automatically creates a backup, there is no risk of anything going wrong.

Last but not least

If Windows not working quite right for you, or if startup is taking a long time, or Ati2evxx.exe is causing problems for you, a good Windows diagnostic tool may very well help. This is especially effective when it comes to older computers that have accumulated vast quantities of "garbage data" as the result of many software installs and uninstalls.

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