What is precomp.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 precomp.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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Precomp.exe file information

Windows Task Manager with precomp
Precomp.exe process in Windows Task Manager

The process belongs to software Just Cause (version 2) by unknown.

Description: Precomp.exe is not essential for Windows and will often cause problems. Precomp.exe is located in a subfolder of Windows folder for temporary files or sometimes in a subfolder of "C:\Program Files" or in the C:\Windows\System32 folder or in a subfolder of C:\Windows. Known file sizes on Windows 10/8/7/XP are 1,187,840 bytes (41% of all occurrences), 146,432 bytes and 6 more variants. 
The file is a file with no information about its developer. The program is not visible. Precomp.exe is not a Windows system file. Therefore the technical security rating is 70% dangerous, however you should also read the user reviews.

Recommended: Identify precomp.exe related errors

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

It came up with COD ghost and uses 25% of cpu and 41mb while installation.
  Nitin D'Almeida  
Came up with an installation for a game. So far, harmless.
  Bob Fuller  
precomp.exe had taken hold of random files and refused access(moving, deleting) to the files. Once I ended the prossess in my task manager I was then able to move rename and delete files again.
it takes processor memory it slows the computer down
Pops up when unpacking GTA V
  Nick Jorens  
Precomp.exe is an known bitcoin miner. A way for people who put illegal content on the internet to make money of it.
It is used in a setup process of a game I'm installing, and so it is important but once the setup is finished I'm going to remove that program. I tried ending process, before finding out it is part of the setup, and the setup simply stopped, still working (didnt crash or go "Not Responding")thus I know it is helping the setup and also in the subfolder in Temp it is located next to files which names are setup and similars. the setup and the precomp.exe both take in average 22%CPU usage for me, although the only the setup takes RAM space. the setup takes almost half a GB RAM yet the precomp only takes 2MB of RAM.
It's an application used in installation of games like max Payne 3,cod,just cause and many more . And it will automatically disappear from task manager when game successfully installed .
  Vipin Chaudhary  
this causes my computer run sluggish. task manager and resource monitor shows that it takes 50% of my cpu usage. probably it came with a game because windows7 is new installed.
came with cracked game (GTA V), used to decompress highly compressed data by the look of things. safe enough
  withheld   (further information)
its necessary for windows installations
Part of the installation of GTAV
Came with a pirated game. SuperAntiSpyware detected it as a Trojan.
It came up when installing gta v and got 27% of my cpu and 24mb ram
its just a (de)compressor used by many installers guys, calm down
its installer for illegal games.
Its highly efficient software for compressing images.
    (further information)
its just a (de)compressor used by many installers guys, calm down
Installed alongside a pirated version of GTA IV. It's running from AppData\Local\Temp
This process only shows up while i'm installing games. Although it does use up to 50% CPU and 8 Mb Ram
I have experienced it with many games installation process . as soon as installation starts it starts and takes a lot of cpu and memory . But overall harmless .

Rating chart

Summary: Average user rating of precomp.exe: based on 19 votes with 21 user comments. 3 users think precomp.exe is essential for Windows or an installed application. 7 users think it's probably harmless. 5 users think it's neither essential nor dangerous. 2 users suspect danger. 2 users think precomp.exe is dangerous and recommend removing it. 3 users don't grade precomp.exe ("not sure about it").

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Best practices for resolving precomp issues

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

precomp.exe [all]