What is bigfix.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 bigfix.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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Bigfix.exe file information

The process known as BigFix Client Application belongs to software BigFix by BigFix (

Description: Bigfix.exe is not essential for Windows and will often cause problems. Bigfix.exe is located in a subfolder of "C:\Program Files"—typically C:\Program Files\BigFix\. Known file sizes on Windows 10/8/7/XP are 2,342,912 bytes (45% of all occurrences), 1,742,384 bytes, 2,168,360 bytes, 2,348,584 bytes or 1,730,096 bytes. 
Bigfix.exe is not a Windows system file. Bigfix.exe is a Verisign signed file. The file is digitally signed. The software starts when Windows starts (see Registry key: MACHINE\User Shell Folders, MACHINE\Run). Bigfix.exe is able to record keyboard and mouse inputs and monitor applications. Therefore the technical security rating is 31% dangerous, however you should also read the user reviews.

Uninstalling this variant: In case of problems with bigfix.exe, you can also completely remove BigFix (Control Panel ⇒ Uninstall a Program).

Recommended: Identify bigfix.exe related errors

External information from Paul Collins:

Important: Some malware camouflages itself as bigfix.exe. Therefore, you should check the bigfix.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

Was installed on a T2542 Emachine Win XP system. Unknown why it was there.
this is a product from bigfix company the company claims to be a free antivirus company
    (further information)
It's constantly monitering you and your keystrokes. Maybe antivirus related or not, but who cares, it's some cheap antivirus provider. You have to buy into them in order for updates. You can safetly remove it now. It's just a waste of memory.
Security software, used by some big, trusted names
  Mairi C. Morrison   (further information)
Was installed in my gateway computer already, occasionally updates the win XP OS. seems legit to me.
Big Fix is a program that comes with eMachines computers (i dunno about other OSes) and it lets you know about security flaws and offers patches for programs that fixes these flaws
bigfix is malware
  chad   (further information)
I have it on a refurbished Gateway, they used to tell me everything running on my machine. turn it off with msconfig. if needed tech support will ask you to start it.
  Joe Meredith  
My brother works for BigFix. This program works like Windows Update for your whole computer, including installed software. It does NOT monitor your keystrokes or your actions.
  Kerry C.   (further information)
Fiberlink does a better job with enterprise mobility products
  Ted   (further information)
It spike my computer fom 0% to !00%! I removed it and my computer runs a lot better.
I strongly suspect this to be some kind of malware.
  Jason Lee  
BigFix was installed on my eMachine computer. It's supposed to be able to detect when there's a problem with the PC. I don't have much faith in the software. It connects to other sites to get "Fixlets" for your PC. It feels more like a security risk than anything else. Plus is puts another icon in the task bar. I have no use for it, I removed it.
Bigfix was installed on my XP emachine. It fixes program conflicts and problems that occur. It has recovered my system from many a problem. As of April 30, 2009 Emachine are no longer in contract with Bigfix and it can be removed from the machine. One can contact the company if to see whether they can continue with the operation if they want to keep it. It is not malware nor spyware.
it works it was on my emachine when i got it
  judy segars  
Common application on eMachine and Gateway computers - harmless (unless it's not really BigFix), but unnecessary for more savvy users.
bigfix is not malware, is not a virus, and is not monitoring your keystrokes. The process name is now BESClient.exe. Gateway and E-Machines used the agent to deploy patches and install/support HP software. Disabling it will not harm your computer. Letting it run will not either.
  TC   (further information)
It came installed with the Gateway, however it doesn't seem to do anything
eusing reg cleaner cannot remove it. I don't want to fiddle with the registry on this machine too much because it's full of AOL rootkits and although it runs very slowly, it's it's not my PC.
After having a start up config missing error and was unable to run or repair anything, I went to the partitioned restore as a last resort. When the system was reinstalled and my files saved to back up folder, the Big Fix was in the toolbar flashing. I tried everything, went and got drivers, but could not get any drivers to load, all the while BF is flashing away. I took it to a pro, she couldn't load the drivers either, asked about BF (I had never used it) and then tossed it. Guess what the network drivers now load, SOB's likely have cost me allot of aggravation, time and peace of mind!
  Just another abused pUter user  
On April 30, 2009 BigFix will no longer be available on eMachines computers. The existing site that displayed your fixlets will no longer be accessible.
  James   (further information)
Big fix removed a few files from a computer I just restored, it though it was malware, and would not allow anyone to log into the computer. This was the last run program in the computer before it did this. I know it was trying to help but didnt. I dont use 3rd party tools on a computer. I do understand it is doing a job but should never take out needed dll files. It removed files like explained in the below link
  Fix 4 Biz Support Team   (further information)
It has actually helped me when I updated Vista and the system would lock on me or blue screen. It directed me to Intel to update my cpu. It worked.
Every single day, usually more than once, Big Fix flashes and tells me my attention is needed and to click for more info. When I do, no info appears except a message telling me that there is no problem. It's a nuisance.
Nothing take it off.
  M Huey  
Was found and removed by A2. Identified as Trojan Downloader 17876 CRC!IK. Had to shut down and then turn on System Restore after a fresh restart.
  sh4rkbyt3   (further information)
Bigfix claims to be an anti-virus software on eMachine computers. I removed it with no problem, but it ties up a LOT of memory.

Rating chart

Summary: Average user rating of bigfix.exe: based on 28 votes with 27 user comments. 7 users think bigfix.exe is essential for Windows or an installed application. 6 users think it's probably harmless. 7 users think it's neither essential nor dangerous. 3 users suspect danger. 5 users think bigfix.exe is dangerous and recommend removing it. 3 users don't grade bigfix.exe ("not sure about it").

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Best practices for resolving bigfix issues

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

bigfix.exe [all]