What is war3.exe?

The genuine war3.exe file is a software component of Warcraft III: Reign of Chaos by Blizzard Entertainment.
War3.exe is an executable file that runs Warcraft III:Reign of Chaos, a high fantasy real-time strategy created by Blizzard Entertainment. This file is not a critical Windows component and can be removed if known to create problems. Warcraft III comes with four playable races: Humans and Orcs, and the Night Elves and Undead. A single player campaign mode features five different campaigns, leaving players engaged for a long time. The game was first released in 2002 and turned into a best seller and won Game of the Year titles from numerous publications. Blizzard Entertainment, Inc. is a developer and publisher of video games. The company made a lot of success through critically acclaimed games, Starcraft and World of Warcraft. Blizzard was founded by Michael Morhaime, Allen Adham and Frank Pearce, three UCLA graduates, on February 8, 1991, and was originally called, Silicon & Synapse. The company currently employs some 4,700 people. It is headquartered in Irvine, California, United States.

War3 stands for Warcraft 3

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 war3.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 war3.exe related errors

War3.exe file information

The process known as Warcraft III belongs to software Warcraft III or UltimateCyberGuard by Blizzard Entertainment (

Description: War3.exe is not essential for the Windows OS and causes relatively few problems. The war3.exe file is located in a subfolder of "C:\Program Files". The file size on Windows 10/8/7/XP is 471,040 bytes. 
The program has a visible window. It is not a Windows system file. Therefore the technical security rating is 20% dangerous; however you should also read the user reviews.

Uninstalling this variant: If there are any problems with war3.exe, you can also uninstall the software UltimateCyberGuard using the Uninstall a Program function of Windows Control Panel (Windows: Start, Settings, Control Panel, Uninstall a Program).

Recommended: Identify war3.exe related errors

Important: Some malware camouflages itself as war3.exe, particularly when located in the C:\Windows or C:\Windows\System32 folder. Therefore, you should check the war3.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

A fun little game about faeries and Wizards prancing around a colorful world.
    (further information)
Warcraft 3 eines der beliebtesten strategie Spiele am Anfang dieses Jahrtausends
WarCraft 3. Made by Blizzard Entertainment. Not dangerous.
A Video Game
  5uck my D1ck  
War3.exe was missing after Warcraft v1.2 update. What helped me is: I downloaded and installed the microsoft Visual C++ 8.0 runtime libraries.
  Elena   (further information)

Rating chart

Summary: Average user rating of war3.exe: based on 10 votes with 5 user comments. 7 users think war3.exe is essential for Windows or an installed application. One user thinks it's probably harmless. One user thinks it's neither essential nor dangerous. One user suspects danger.

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Best practices for resolving war3 issues

A clean and tidy computer is the key requirement for avoiding problems with war3. 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 war3.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

war3.exe [all]