What is AOLServiceHost.exe?

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 AOLServiceHost.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.

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AOLServiceHost.exe file information

The process known as AOLServiceHost Service or AOL belongs to software AOL Service Libraries by America Online (

Description: AOLServiceHost.exe is not essential for Windows and will often cause problems. AOLServiceHost.exe is located in a subfolder of "C:\Program Files\Common Files". Known file sizes on Windows 10/8/7/XP are 110,680 bytes (60% of all occurrences) or 151,640 bytes. 
There is an icon for this program on the taskbar next to the clock. The AOLServiceHost.exe file is a Verisign signed file. It is certified by a trustworthy company. It is not a Windows core file. Therefore the technical security rating is 14% dangerous, however you should also read the user reviews.

Uninstalling this variant: If you have any problems with AOLServiceHost.exe, you may want to uninstall AOL Uninstaller software via Windows Control Panel/Add or Remove Programs (Windows XP) or Programs and Features (Windows 10/8/7).

Recommended: Identify AOLServiceHost.exe related errors

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


User Comments

not much
  kel rich  
It takes up 95% of my CPU Time and slows my PC right down!!
  BikerTop Mike  
that i have an application that needs to be re-installing now
Should not be disabled, required for essential applications to work properly. Can sometimes cause a lot of HDD activity though, but go make a cuppa.
not sure if essentiol. Im sure howver that it seriously impacts my PC by using up a lot of CPU resources. 90% on avg:
I ended the process in task manager and it stopped a load of hard drive access.
  Tommo   (further information)
I have the same problem as BikerTop Mike. I have also had it make skipping sounds while playing 3D games. I am running XP with a 2.4GHz processer. I always disable it each day for a smoother running system.
Runs in the background and slows down my pc (450Mhz PIII)

Rating chart

Summary: Average user rating of AOLServiceHost.exe: based on 10 votes with 8 user comments. 4 users think AOLServiceHost.exe is essential for Windows or an installed application. 2 users think it's neither essential nor dangerous. 3 users suspect danger. One user thinks AOLServiceHost.exe is dangerous and recommends removing it. One user is not sure about it.

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Best practices for resolving AOLServiceHost issues

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

AOLServiceHost.exe [all]