84,488,480 programs installed

Should I remove Arma 2: DayZ Mod?

What percent of users and experts removed it?
12% remove it88% keep it
Overall Sentiment
What do people think about it?
(click star to rate)
How common is it?
Global Rank #4,516
United States Rank #3,811
Reach 0.1167%
Lifespan of installation (until removal)
< 17.89 days
527.81 days >
Average installed length: 277.32 days

Arma 2: DayZ Mod

What is Arma 2: DayZ Mod?  (from Bohemia Interactive)

Realistic "Zombies" with custom animations - These once human creatures will act and behave as if they have a heighten sense of hearing and smell but less sight, on top of that they use motion captured animations such as walking and eating from your unconscious body. If you look into any built up area you'll see them w...  Read more


Arma 2: DayZ Mod is a software program developed by Bohemia Interactive. During setup, the program creates a startup registration point in Windows in order to automatically start when any user boots the PC. A scheduled task is added to Windows Task Scheduler in order to launch the program at various scheduled times (the schedule varies depending on the version). The software is designed to connect to the Internet and adds a Windows Firewall exception in order to do so without being interfered with. The primary executable is named ArmA2OA.exe. The setup package generally installs about 86 files and is usually about 232.42 MB (243,707,233 bytes). Relative to the overall usage of users who have this installed on their PCs, most are running Windows 7 (SP1) and Windows 10. While about 56% of users of Arma 2: DayZ Mod come from the United States, it is also popular in United Kingdom and Canada.

Program detailsProgram details

URL: dayzmod.com
Help link: support.steampowered.com
Installation folder: C:\steam\steamapps\common\Arma 2 Operation Arrowhead
Uninstaller: "C:\steam\steam.exe" steaC://uninstall/224580
Estimated size: 232.42 MB

Program filesFiles installed by Arma 2: DayZ Mod

Program executable:ArmA2OA.exe
Name:ArmA 2 OA
Path:C:\Program Files\Steam3\steamapps\common\Arma 2 Operation Arrowhead\ArmA2OA.exe
Additional files:
  • ArmA2OA.exe - ArmA 2 OA
  • arma2oaserver.exe
  • ArmA2OA_BE.exe (by BattlEye Innovations) - BattlEye Launcher
  • DatabaseMySql.dll (by Phosphor Server Project) - Database Access Layer (MySQL Database Driver)
  • JEMalloc_bi.dll
  • NedMalloc_bi.dll
  • tbb4malloc_bi.dll (by Intel) - TBB based Game Allocator Library (Scalable Allocator library)
  • TCMalloc_bi.dll
  • AppOverlay.dll (by Valve) - Steam Application Overlay Renderer (Steam Application Overlay)
  • AppOverlay64.dll (by Valve)
  • crashhandler.dll - Steam Crash Handler Library
  • crashhandler64.dll
  • GameOverlayRenderer.dll - Steam Game Overlay Renderer
  • GameOverlayRenderer64.dll
  • GameOverlayUI.exe - Steam
  • libavcodec-55.dll
  • libavformat-55.dll
  • libavresample-1.dll
  • libavutil-53.dll
  • libmysql.dll
  • SDL2.dll - Simple DirectMedia Layer (SDL)
  • Setup_BattlEyeARMA2OA.exe - Bohemia Interactive Setup (Setup)
  • Steam.dll
  • Steam.exe - Steam Client Bootstrapper
  • steamclient.dll
  • steamclient64.dll
  • steamerrorreporter.exe
  • steamerrorreporter64.exe
  • SteamUI.dll - SteamUI Dynamic Link Library
  • streaming_client.exe
  • tbb.dll (by Intel) - Intel(R) Threading Building Blocks for Windows (Threading Building Blocks library)
  • tbbmalloc.dll
  • tier0_s.dll - tier0_s Dynamic Link Library
  • tier0_s64.dll
  • video.dll
  • vstdlib_s.dll - vstdlib_ s.dll
  • vstdlib_s64.dll
  • 0ptixHack.exe - Stub
  • ACR_Lite_UnInstall.exe
  • ArmA II Launcher.exe - ArmA II Launcher
  • arma2.exe - ArmA 2
  • ARMA2_OA_Build_103718.exe (by Igor Pavlov) - 7-Zip (7z Setup SFX)
  • ARMA2_OA_Build_108074.exe (by Igor Pavlov)
  • ARMA2_OA_Build_94364.exe
  • ARMA2_OA_Build_94444.exe
  • ARMA2_OA_Build_95208.exe
  • ARMA2_OA_Build_95417.exe
  • arma2rft.exe
  • arma2server.exe
  • BEClient.dll
  • BEServer.dll
  • BreakingPoint.exe (by Alderon Games) - DayZ (Alderon Games Updater)
  • CSERHelper.dll - CSER Helper (Debug Helper Routines)
  • d3d9.dll
  • d3dcompiler_46.dll (by Microsoft) - Microsoft® DirectX for Windows® (Direct3D HLSL Compiler)
  • d3dcompiler_46_64.dll (by Microsoft)
  • Darky Key Changer v1.1.exe - Remote Service Application
  • DatabasePostgre.dll (by Phosphor Server Project) - PostgreSQL Database Driver
  • datacachepreprocessor.exe - ArmA2 (ArmA Setup)
  • datacacheremoval.exe

Program behaviorsBehaviors exhibited

3 Scheduled Tasks
  • ArmA2OA.exe is scheduled as a task with the class '{CFB6FD9C-495F-4D48-8734-13CCDB1985AE}' (runs on registration).
  • Steam.exe is scheduled as a task with the class '{0A7CD642-755B-4352-BD9E-064734827C0D}' (runs on registration).
  • GameOverlayUI.exe is scheduled as a task with the class '{98D22EE8-FBCE-4B0A-A638-4A27C81582F5}' (runs on registration).
Scheduled Task (Boot/Login)
  • Steam.exe is automatically launched at startup through a scheduled task named Steam.
Startup File (User Run)
  • Steam.exe is loaded in the current user (HKCU) registry as an auto-starting executable named 'Steam.exe' and executes as C:\Program Files\steam\steam.exe.
Startup File (All Users Run)
  • Steam.exe is loaded in the all users (HKLM) registry as a startup file name 'Steam' which loads as "C:\Program Files\Steam\Steam.exe" -silent.
4 Windows Firewall Allowed Programs
  • Steam.exe is added as a firewall exception for 'C:\Program Files\Steam\Steam.exe'.
  • ArmA2OA.exe is added as a firewall exception for 'C:\Program Files\Steam\steamapps\common\arma 2 operation arrowhead\ArmA2OA.exe'.
  • arma2.exe is added as a firewall exception for 'C:\Program Files\Steam\steamapps\common\arma 2\arma2.exe'.
  • ArmA2OA_BE.exe is added as a firewall exception for 'C:\Program Files\Steam\steamapps\common\arma 2 operation arrowhead\ArmA2OA_BE.exe'.
Network connections
  • Steam.exe connects to a96-7-41-160.deploy.akamaitechnologies.com ( port 80).
  • Steam.exe connects to (port 27018).

Program resource utilizationResource utilization averages

Memory:21.35 MB
21.09 MB average
Total CPU:0.0004747990%
0.031193% average
Kernel CPU:0.00032078%
0.016088% average
User CPU:0.00015402%
0.015104% average
CPU cycles/sec:16,959,400
8,062,084 average
I/O reads/min:35.45 KB
435.61 KB average
I/O writes/min:3.3 KB
105.02 KB average
Memory:151.98 MB
Total CPU:0.0003899617%
Kernel CPU:0.00015490%
User CPU:0.00023506%
CPU cycles/sec:41,366,072
I/O reads/min:3.07 MB
I/O writes/min:1.78 MB

How do I remove Arma 2: DayZ Mod?

You can uninstall Arma 2: DayZ Mod from your computer by using the Add/Remove Program feature in the Window's Control Panel.
  1. On the Start menu (for Windows 8, right-click the screen's bottom-left corner), click Control Panel, and then, under Programs, do one of the following:
    • Windows Vista/7/8/10: Click Uninstall a Program.
    • Windows XP: Click Add or Remove Programs.
  2. When you find the program Arma 2: DayZ Mod, click it, and then do one of the following:
    • Windows Vista/7/8/10: Click Uninstall.
    • Windows XP: Click the Remove or Change/Remove tab (to the right of the program).
  3. Follow the prompts. A progress bar shows you how long it will take to remove Arma 2: DayZ Mod.

Win 7 (SP1) 50%
Win 10 0%
Automatically starts? Yes
(Found in the run registry)
Uninstall it 12%
Keep it 88%

Windows OS versionsWindows

Which Windows OS versions does it run on?
Windows 7 52.50%
Windows 10 46.77%
Windows Vista 0.39%
Windows XP 0.35%
Which OS releases does it run on?
Windows 7 Home Premium 29.41%
Windows 8.1 18.61%
Windows 7 Ultimate 14.29%
Windows 10 Home 7.97%
Windows 7 Professional 7.71%
Windows 8 5.75%

Distribution by countryGeography

55.86% of installs come from the United States
Which countries install it?
  United States 55.86%
  United Kingdom 9.48%
  Canada 4.86%
  Germany 4.86%
  Australia 3.31%
  France 2.99%
  Sweden 2.08%
  Netherlands 1.51%
  DK 1.41%
  Norway 1.30%
  Finland 1.20%
  Brazil 1.13%
  Belgium 0.81%
  Ireland 0.77%

OEM distributionPC manufacturers

What PC manufacturers (OEMs) have it installed?
Hewlett-Packard 21.37%
ASUS 16.25%
Acer 14.16%
Dell 12.08%
Alienware 6.60%
Lenovo 5.82%
Toshiba 5.39%
MSI 3.04%
Samsung 2.09%
Medion 1.30%
Apple 0.70%
Common models
ASUS All Series 13.75%
Gigabyte GA-78LMT-USB3 3.72%
MSI MS-7821 3.15%
MSI MS-7693 2.58%
HP Pavilion g6 Notebook P... 2.29%
MSI MS-7641 2.15%

Publisher URL: www.bistudio.com


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