The genuine igfxext.exe file is a software component of Intel® Common User Interface by Intel Corporation.
Where an external monitor or projector is attached to a computer with Windows XP or later and Intel® Graphics hardware and drivers, “igfxext.exe” responds to the Display Switch Hot Key by switching graphics output from the native display to the external one, or vice-versa. (Windows Vista (and later) supports display switching natively.) It is part of the Intel® Common User Interface which installs alongside Intel® graphics drivers and provides the user with a convenient graphical interface to configure the graphics card or onboard chipset. It should reside in “C:\Windows\System32”; if it is in a subfolder of that, or especially in the Windows temporary files folder, it may be disguised malware. It can be uninstalled via “Add/Remove Programs” or “Uninstall a Program” in the Control Panel. Remove and reinstall it if the message “Intel igfxext.exe not running” appears. Intel was founded in 1968 and is based in Santa Clara, CA, USA.
igfxext stands for Intel Graphics External Display Switching
The .exe extension on a filename indicates an executable file. Executable files may, in some cases, harm your computer. Therefore, please read below to decide for yourself whether the igfxext.exe on your computer is a Trojan that you should remove, or whether it is a file belonging to the Windows operating system or to a trusted application.
Description: Igfxext.exe is not essential for the Windows OS and causes relatively few problems. Igfxext.exe is located in the C:\Windows\System32 folder.
Known file sizes on Windows 10/8/7/XP are 163,840 bytes (18% of all occurrences), 94,208 bytes and 34 more variants.
The program has no visible window. Igfxext.exe is not a Windows core file. The file is a trustworthy file from Microsoft. Therefore the technical security rating is 12% dangerous, however you should also read the user reviews.
Recommended: Identify igfxext.exe related errors
Important: Some malware disguises itself as igfxext.exe, particularly when not located in the C:\Windows\System32 folder. Therefore, you should check the igfxext.exe 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.
A clean and tidy computer is the key requirement for avoiding problems with igfxext. This means running a scan for malware, cleaning your hard drive using 1cleanmgr and 2sfc /scannow, 3uninstalling programs that you no longer need, checking for Autostart programs (using 4msconfig) and enabling Windows' 5Automatic 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 6resmon command to identify the processes that are causing your problem. Even for serious problems, rather than reinstalling Windows, you are better off repairing of your installation or, for Windows 8 and later versions, executing the 7DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.
To help you analyze the igfxext.exe process on your computer, the following programs have proven to be helpful: ASecurity 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. BMalwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.