84,488,480 programs installed

Should I remove Microsoft Office Communicator 2005?

What percent of users and experts removed it?
5% remove it95% keep it
Overall Sentiment
What do people think about it?
(click star to rate)
How common is it?
Global Rank #29,751
United States Rank #22,667
Reach 0.0049%


1.0.600.0 1.04%
1.0.559.232 6.25%
1.0.559.226 12.50%
1.0.559.225 6.25%
1.0.559.224 6.25%
1.0.559.218 3.13%
1.0.559.206 1.04%
1.0.559.183 2.08%
1.0.559.121 2.08%
1.0.559.58 4.17%
1.0.559.0 55.21%

Other programs by Microsoft

Microsoft Office Communicator 2005


Microsoft Office Communicator 2005 is a program developed by Microsoft. The most used version is 1.0.559.0, with over 98% of all installations currently using this version. Upon installation, it defines an auto-start registry entry which allows the program run on each boot for the user which installed it. It adds an extension to the user's Internet Explorer web browser. 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 communicator.exe. The software installer includes 12 files and is usually about 9.97 MB (10,449,196 bytes). In comparison to the total number of users, most PCs are running the OS Windows 7 (SP1) as well as Windows XP. While about 62% of users of Microsoft Office Communicator 2005 come from the United States, it is also popular in Brazil and India.

Program detailsProgram details

URL: www.microsoft.com
Installation folder: C:\Program Files\Microsoft Office Communicator\
Uninstaller: MsiExec.exe /X{BE5AD430-9E0C-4243-AB3F-593835869855}
(The Windows Installer is used for the installation, maintenance, and removal.)
Estimated size: 9.97 MB
Language: English (United States)

Program filesFiles installed by Microsoft Office Communicator 2005

Program executable:communicator.exe
Name:Microsoft Office Communicator 2005
Path:C:\Program Files\Microsoft Office Communicator\communicator.exe
Additional files:
  • lcapi.dll - Microsoft Office Communicator 2005 (Microsoft Office Communicator 2005 User Agent DLL)
  • lcimsp.dll - Microsoft Office Communicator 2005 IM Service Provider DLL
  • lclang.dll - Microsoft Office Communicator 2005 Language Specific Resources--English
  • lcmedia.dll - Microsoft Office Communicator 2005 Audio, Video and RTP Filters
  • lcmsgsc.dll - Microsoft Office Communicator 2005 Service
  • lcres.dll - Microsoft Office Communicator 2005 Resource DLL
  • LCWABExt.dll
  • msvcr71.dll - Microsoft® Visual Studio .NET (Microsoft® C Runtime Library)
  • custsat.dll - custsat

Program behaviorsBehaviors exhibited

Internet Explorer Extension
  • communicator.exe is installed as an Internet Explorer extension using the class {FB5F1910-F110-11d2-BB9E-00C04F795683}.
Startup File (User Run)
  • communicator.exe is loaded in the current user (HKCU) registry as an auto-starting executable named 'COMMUNICATOR' and executes as "C:\Program Files\Microsoft Office Communicator\Communicator.exe" /background.
Windows Firewall Allowed Program
  • communicator.exe is added as a firewall exception for 'C:\Program Files\Microsoft Office Communicator\communicator.exe'.

How do I remove Microsoft Office Communicator 2005?

You can uninstall Microsoft Office Communicator 2005 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 Microsoft Office Communicator 2005, 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 Microsoft Office Communicator 2005.

How do I reset my web browser?

If your web browser homepage and search settings have been modfied by Microsoft Office Communicator 2005 you can restore them to their previous default settings.
Microsoft Internet Explorer
Mozilla Firefox
Google Chrome

Win 7 (SP1) 65%
Win XP 1%
Auto-starting? Yes
(Found in the run registry)
Uninstall it 5%
Keep it 95%

Windows OS versionsWindows

Which Windows OS versions does it run on?
Windows 7 69.79%
Windows XP 21.88%
Windows 10 4.17%
Windows Vista 3.13%
Windows Server 2003 1.04%
Which OS releases does it run on?
Windows 7 Enterprise 33.33%
Windows 7 Professional 29.17%
Microsoft Windows XP 21.88%
Windows 7 Home Premium 4.17%
Windows Vista Business 2.08%
Windows 8 Pro 2.08%

Distribution by countryGeography

61.83% of installs come from the United States
Which countries install it?
  United States 61.83%
  Brazil 3.82%
  India 3.82%
  United Kingdom 3.82%
  Mexico 3.05%
  Italy 3.05%
  France 2.29%
  Turkey 2.29%
  China 2.29%
  Colombia 1.53%
  Belgium 1.53%
  Japan 1.53%
  Chile 0.76%
  Singapore 0.76%

OEM distributionPC manufacturers

What PC manufacturers (OEMs) have it installed?
Hewlett-Packard 44.58%
Dell 34.94%
Lenovo 15.66%
Intel 2.41%
Acer 1.20%
Sony 1.20%
Common models
HP EliteBook 8460p 6.52%
HP EliteBook 2560p 4.35%
HP ProBook 6470b 4.35%
Dell Latitude E6400 2.17%
Dell Latitude E6420 2.17%
HP ProDesk 600 G1 SFF 2.17%

About Microsoft

Microsoft Corporation develops, manufactures, licenses and supports a variety of products and services related to computing.
Publisher URL: www.microsoft.com


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