84,488,480 programs installed

Should I remove Left 4 Dead 2 Authoring Tools?

What percent of users and experts removed it?
9% remove it91% keep it
Overall Sentiment
What do people think about it?
(click star to rate)
How common is it?
Global Rank #12,907
United States Rank #10,251
Reach 0.0242%
Lifespan of installation (until removal)
< 66.93 days
654.56 days >
Average installed length: 343.92 days

Other programs by Valve

Left 4 Dead 2 Authoring Tools

What is Left 4 Dead 2 Authoring Tools?  (from Valve)

The Left 4 Dead 2 Authoring Tools, also known as an SDK, is a set of software utilities that allow you to create your own levels, campaigns, common Infected, and other gameplay elements. They include versions of Source SDK tools that have been updated to work with the Left 4 Dead 2 version of the Source Engine. The Lef...  Read more


Left 4 Dead 2 Authoring Tools is a program developed by Valve. Upon installation, it defines an auto-start registry entry which allows the program run on each boot for the user which installed it. 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 main program executable is left4dead2.exe. The software installer includes 130 files and is usually about 136.07 MB (142,684,200 bytes). The program is built using the Nokia Qt cross-platforms native C++ framework. In comparison to the total number of users, most PCs are running the OS Windows 7 (SP1) as well as Windows 10. While about 58% of users of Left 4 Dead 2 Authoring Tools come from the United States, it is also popular in United Kingdom and Germany.

Program detailsProgram details

URL: developer.valvesoftware.com
Help link: support.steampowered.com
Installation folder: C:\Program Files\steam\steamapps\common\left 4 dead 2
Uninstaller: "C:\Program Files\Steam\steam.exe" steaC://uninstall/563
Estimated size: 136.07 MB

Program filesFiles installed by Left 4 Dead 2 Authoring Tools

Program executable:left4dead2.exe
Path:C:\Program Files\steam\steamapps\common\left 4 dead 2\left4dead2.exe
Additional files:
  • crashhandler.dll - Steam Crash Handler Library
  • hammer_dll.dll - Valve Hammer Editor (tm) (Hammer)
  • srcds.exe
  • bspzip.exe
  • captioncompiler.exe
  • dmxconvert.exe
  • glview.exe
  • hammer.exe
  • hammer_run_map_launcher.exe
  • height2normal.exe
  • height2ssbump.exe
  • hlfaceposer.exe
  • hlmv.exe
  • l4d2_workshop_manager.exe
  • mksheet.exe
  • motionmapper.exe
  • QC_Eyes.exe - QC_Eyes Application (QC_Eyes MFC Application)
  • SDKLauncher.exe
  • addoninstaller.exe
  • adminserver.dll
  • AppOverlay.dll - Steam Application Overlay Renderer (Steam Application Overlay)
  • AppOverlay64.dll
  • binkw32.dll (by RAD Game Tools) - Bink and Smacker (RAD Video Tools)
  • bsppack.dll
  • bugreporter.dll
  • bugreporter_public.dll
  • chromehtml.dll
  • client.dll
  • commedit.dll
  • crashhandler64.dll
  • CSERHelper.dll - CSER Helper (Debug Helper Routines)
  • d3dcompiler_46.dll (by Microsoft) - Microsoft® DirectX for Windows® (Direct3D HLSL Compiler)
  • d3dcompiler_46_64.dll (by Microsoft)
  • datacache.dll
  • dbghelp.dll - Debugging Tools for Windows(R) (Windows Image Helper)
  • demoinfo.exe
  • dsound.dll (by Creative Labs) - Creative ALchemy
  • engine.dll
  • entplacement.dll
  • fbx2dmx.exe
  • filesystem_stdio.dll
  • filesystemopendialog.dll - SteamFileDialog Dynamic Link Library (SteamFileDialog DLL)
  • GameOverlayRenderer.dll - Steam Game Overlay Renderer
  • GameOverlayRenderer64.dll
  • GameOverlayUI.exe - Steam
  • gameui.dll
  • icudt.dll (by The ICU Project) - International Components for Unicode (ICU Data DLL)
  • icudt42.dll (by IBM and others)
  • inputsystem.dll
  • launcher.dll
  • libavcodec-55.dll
  • libavformat-55.dll
  • libavresample-1.dll
  • libavutil-53.dll
  • libcef.dll - Chromium Embedded Framework (CEF) Dynamic Link Library
  • libmysql.dll
  • libswscale-2.dll
  • makevmt.exe
  • matchmaking.dll
  • matchmaking_ds.dll

Program behaviorsBehaviors exhibited

2 Scheduled Tasks
  • Steam.exe is scheduled as a task with the class '{4695AF4D-997B-4413-8256-8EF413E8BECC}' (runs on registration).
  • left4dead2.exe is scheduled as a task with the class '{C25FBF8A-FDB7-4ED2-8979-0258D941CF5C}' (runs on registration).
Scheduled Task (Boot/Login)
  • Steam.exe is automatically launched at startup through a scheduled task named Steam Startup.
Startup File (User Run)
  • Steam.exe is loaded in the current user (HKCU) registry as an auto-starting executable named 'Steam' and executes as "C:\Program Files\Steam\Steam.exe" -silent.
3 Windows Firewall Allowed Programs
  • left4dead2.exe is added as a firewall exception for 'C:\Jogos steam\SteamApps\common\Left 4 Dead 2\left4dead2.exe'.
  • Steam.exe is added as a firewall exception for 'C:\Programas\Steam\Steam.exe'.
  • srcds.exe is added as a firewall exception for 'C:\Program Files\Steam\SteamApps\common\left 4 dead 2\srcds.exe'.

How do I remove Left 4 Dead 2 Authoring Tools?

You can uninstall Left 4 Dead 2 Authoring Tools 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 Left 4 Dead 2 Authoring Tools, 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 Left 4 Dead 2 Authoring Tools.

Win 7 (SP1) 62%
Win 7 0%
Auto-starting? Yes
(Found in the run registry)
Uninstall it 9%
Keep it 91%

Windows OS versionsWindows

Which Windows OS versions does it run on?
Windows 7 65.41%
Windows 10 31.45%
Windows Vista 2.10%
Windows XP 1.05%
Which OS releases does it run on?
Windows 7 Home Premium 38.19%
Windows 7 Ultimate 18.99%
Windows 8.1 10.97%
Windows 7 Professional 6.12%
Windows 10 Home 5.27%
Windows 8.1 Pro 4.01%

Distribution by countryGeography

58.17% of installs come from the United States
Which countries install it?
  United States 58.17%
  United Kingdom 7.83%
  Germany 4.83%
  Canada 3.50%
  France 3.17%
  Netherlands 2.33%
  Australia 2.00%
  Japan 1.83%
  Sweden 1.33%
  Spain 1.17%
  Singapore 1.17%
  DK 1.00%
  Hong Kong 1.00%
  Poland 1.00%

OEM distributionPC manufacturers

What PC manufacturers (OEMs) have it installed?
Hewlett-Packard 21.65%
ASUS 16.93%
Acer 14.57%
Dell 14.17%
Toshiba 7.09%
Alienware 4.33%
Lenovo 3.94%
MSI 3.15%
Intel 1.57%
Medion 1.18%
Samsung 1.18%
Common models
HP Pavilion dv6 Notebook ... 4.82%
ASUS All Series 3.61%
Alienware Alienware X51 2.41%
HP 2000 Notebook PC 2.41%
HP Pavilion dv7 Notebook ... 2.41%
HP Pavilion g6 Notebook P... 2.41%

About Valve

Valve is a video game development and digital distribution company through Steam best known for its critically acclaimed product, Half-Life.
Publisher URL: www.valvesoftware.com


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