What is AppexAcceleratorUI.exe?

The genuine AppexAcceleratorUI.exe file is a software component of AMD Quick Stream by AppEx Networks.
AMD Quick Stream, an Internet stream optimization software developed for the Windows platform. AppexAcceleratorUI.exe launched the Appex Accelerator program. This is not an essential Windows process and can be disabled if known to create problems. AMD Quick Stream is a utility software for Microsoft Windows that boosts Internet speeds. The program is based on IPEQ (IP End to End Quality Of Service) technology. The program uses algorithms that automatically shape inbound and outbound Internet traffic, allowing high‐priority streams and applications access to better bandwidth. AppEx Networks is an American company that develops network performance optimization solutions for web, mobile, desktop and cloud platforms. The company is well known for its Learning-Based Acceleration™ products that it caters to small to enterprise-level companies, as well as government agencies and educational institutions. AppEx Networks was founded in 2007 and is currently headquartered in Milpitas, California, USA.

AppExAcceleratorUI stands for AppEx Accelerator User Interface

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 AppexAcceleratorUI.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.

Click to Run a Free Scan for AppexAcceleratorUI.exe related errors

AppexAcceleratorUI.exe file information

Windows Task Manager with AppexAcceleratorUI
AppexAcceleratorUI.exe process in Windows Task Manager

The process known as AppEx Accelerator UI belongs to software AppEx Accelerator by AppEx Networks.

Description: AppexAcceleratorUI.exe is not essential for the Windows OS and causes relatively few problems. AppexAcceleratorUI.exe is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 1,000,288 bytes (87% of all occurrences), 973,632 bytes or 1,015,648 bytes. 
The AppexAcceleratorUI.exe file is a Verisign signed file. The file is digitally signed. The file is not a Windows core file. The program is not visible. The application is loaded during the Windows boot process (see Registry key: Run). AppexAcceleratorUI.exe is able to record keyboard and mouse inputs. Therefore the technical security rating is 28% dangerous.

Uninstalling this variant: There is a possibility to do the following:
  1) uninstall AMD Quick Stream software via Windows Control Panel/Add or Remove Programs (Windows XP) or Programs and Features (Windows 10/8/7)
  2) search for help on the company’s website
  3) search for an update on the vendor’s website.

Recommended: Identify AppexAcceleratorUI.exe related errors

Important: Some malware camouflages itself as AppexAcceleratorUI.exe, particularly when located in the C:\Windows or C:\Windows\System32 folder. Therefore, you should check the AppexAcceleratorUI.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.


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Best practices for resolving AppexAcceleratorUI issues

A clean and tidy computer is the key requirement for avoiding problems with AppexAcceleratorUI. 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 AppexAcceleratorUI.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.

Other processes

AppexAcceleratorUI.exe [all]