84,488,480 programs installed

Should I remove Yahoo! Browser Services?

What percent of users and experts removed it?
18% remove it82% keep it
Overall Sentiment
What do people think about it?
(click star to rate)
How common is it?
Global Rank #11,165
United States Rank #5,862
Reach 0.0305%
Lifespan of installation (until removal)
< 6.87 days
202.76 days >
Average installed length: 106.53 days

Other programs by Yahoo!

Yahoo! Browser Services

What is Yahoo! Browser Services?  (from Yahoo!)

The most unique attribute of Yahoo! Browser Services is its ability to update and add new services on the fly without a browser restart or even reloading the page! As a user, this means no more installers to run or losing your place on the web. For developers, you can check for and activate new services with a single f...  Read more


Yahoo! Browser Services is a program developed by Yahoo!. Upon installation and setup, it defines an auto-start registry entry which makes this program run on each Windows boot for all user logins. It adds a background controller service that is set to automatically run. Delaying the start of this service is possible through the service manager. The program adds a toolbar to Microsoft Internet Explorer. The software is designed to connect to the Internet and adds a Windows Firewall exception in order to do so without being interfered with. When installed, it will add a context menu handler to the Windows shell in order to provide quick access to the program. The main program executable is YMMAPI.exe. The software installer includes 108 files and is usually about 1.47 MB (1,540,471 bytes). In comparison to the total number of users, most PCs are running the OS Windows Vista (SP2) as well as Windows XP. While about 88% of users of Yahoo! Browser Services come from the United States, it is also popular in Romania and United Kingdom.

Program detailsProgram details

URL: www.yahoo.com
Installation folder: C:\Program Files\Yahoo!\Common
Uninstaller: C:\Program Files1\Yahoo!\Common\UNIN_Y~1.EXE /S
Estimated size: 1.47 MB

Program filesFiles installed by Yahoo! Browser Services

Program executable:YMMAPI.exe
Name:Yahoo! Mail
Path:C:\Program Files\Yahoo!\Common\YMMAPI.exe
Yahoo! Mail is a free e-mail service offered by Yahoo!.
Additional files:
  • messmod.dll - Messenger Module for Yahoo! Companion
  • npyaxmpb.dll - Yahoo! activeX Plug-in Bridge
  • YInstBroker_ExePS.dll - YInstBro Dynamic Link Library (Broker PS Dynamic Link Library)
  • YPhotos.dll - YPhotos Photo Uploader Module
  • yaddbook.dll - Yahoo! Address AutoComplete (YAddBook Module)
  • YmailCfg.dll - Yahoo! Mail Configuration (Yahoo! Mail Configuration Control)
  • YmailCfg_EXE.exe - Yahoo! Mail Configuration EXE
  • ypsr.exe - Yahoo! Online Protection
  • Ysctr.exe - Yahoo! Software Center (Software Center Control)
  • YWXcom.dll
  • Yshortcut.exe - YShortcut Application (Yahoo! Shortcuts Importer)
  • ycomp5,1,1,0.dll - Yahoo! Companion 5.1 (Yahoo! Companion 5.1 for Internet Explorer)
  • ycomp5_1_3_0.dll
  • ycomp5_1_6_0.dll
  • YDefUser.dll - Yahoo! Inc. YDefUser (YDefUser)
  • yverinfo.dll - Get Version Utility (Get Version Info)
  • yiesrvc.dll - Yahoo! IE Services
  • yinsthelper.dll - YInstHelper Module
  • Yinsthelper2007261.dll
  • yuserlogin.dll - YUserLogin Module
  • yregucfg.dll - YRegUCfg Module
  • yucconfig.dll - yuconfig module (yucconfig)
  • yupdctr.exe - YRegHost Module
  • ymmapi.dll - YMMAPI Module
  • ymmapi2005010104.dll
  • YIeTagBm.dll - IE Shortcuts
  • YInstBroker.exe - YInst Broker
  • YMailAdvisor.exe - Yahoo! Mail (Yahoo! Mail Advisor)
  • YMMAPI.exe
  • Ymmapi2005118.dll
  • ywreg.dll - Yahoo! Inc. (YWreg)
  • ywreg.exe
  • YVerGlance.dll - YVerGlance
  • Yshortcut.dll - Shortcuts
  • yas.dll - Anti-Spy (Yahoo! Anti-Spy)
  • yhexbmesaa.dll - YhExBMes
  • yhexbmesmx.dll
  • yhexbmesus.dll
  • YUnload.dll - YUnload
  • YDPCTL.dll - YDPCTL (YDP ActiveX Control)
  • ylogin.dll - ylogin
  • unatt_wrap.exe - att.net Toolbar Uninstall Setup
  • unbt_wrap.exe - BT Yahoo! Toolbar Uninstall Setup
  • undsldlk.exe - SBC Yahoo! DSL Activation Uninstall
  • unin_ybs.exe - Yahoo! Browser Services Setup
  • unin_yextras.exe
  • uninst_ymailadv.exe - Yahoo! Mail Advisor Setup
  • unyav.exe - Yahoo! Anti-Virus Uninstall
  • unybase.exe - Yahoo! Base Components Setup
  • unycust.exe - Yahoo! extras Uninstall
  • unyext.exe - Yahoo! Browser Services Uninstall
  • unym.exe - SBC Yahoo! Messenger Uninstall
  • unymb.exe - Yahoo! Quick Select Tool Uninstall
  • unyop.exe - Yahoo! Online Protection Uninstall Setup
  • unypc.exe - SBC Yahoo! Parental Controls Uninstall
  • unypsr.exe - Yahoo! Anti-Spy Uninstall
  • unyt.exe - Yahoo! Toolbar Setup
  • unyt_bs.exe - Yahoo! Toolbar Uninstall Setup
  • unyt_wrap.exe
  • ycheckh.dll - YcheckH Module

Program behaviorsBehaviors exhibited

3 Context Menu Handlers
  • Ymmapi2005118.dll added to Windows Explorer under the name 'Yahoo! Mail' with a class of {5464D816-CF16-4784-B9F3-75C0DB52B499}.
  • YMMAPI.dll added to Windows Explorer under the name 'Yahoo! Mail' with a class of {5464D816-CF16-4784-B9F3-75C0DB52B499}.
  • ymmapi2005010104.dll added to Windows Explorer under the name 'Yahoo! Mail' with a class of {5464D816-CF16-4784-B9F3-75C0DB52B499}.
Google Chrome Plugin
  • npyaxmpb.dll is loaded in the Google Chrome web browser as 'npyaxmpb.dll'.
2 Internet Explorer BHOs
  • YIeTagBm.dll is installed in Internet Explorer as a BHO (Browser Helper Object) under the name 'YahooTaggedBM Class' with the class of {65D886A2-7CA7-479B-BB95-14D1EFB7946A}.
  • yiesrvc.dll is installed in Internet Explorer as a BHO (Browser Helper Object) under the name 'Yahoo! IE Services Button' with the class of {5BAB4B5B-68BC-4B02-94D6-2FC0DE4A7897}.
Internet Explorer Bar
  • yhexbmesus.dll installs an Explorer Bar in Internet Explorer called '&Yahoo! Messenger' with a class of {4528BBE0-4E08-11D5-AD55-00010333D0AD}.
2 Internet Explorer Extensions
  • ylogin.dll is installed as an Internet Explorer extension using the class {2499216C-4BA5-11D5-BD9C-000103C116D5}.
  • yiesrvc.dll is installed as an Internet Explorer extension as 'Yahoo! IE Services Button' with a class of {5BAB4B5B-68BC-4B02-94D6-2FC0DE4A7897}.
Internet Explorer Toolbar
  • ycomp5_1_6_0.dll is installed as an Internet Explorer Toolbar with the class of {EF99BD32-C1FB-11D2-892F-0090271D4F88}.
Internet Explorer Web Browser
  • ycomp5_1_6_0.dll is installed as an IE Web Browser within Internet Explorer under the class {EF99BD32-C1FB-11D2-892F-0090271D4F88}.
Mozilla Plugin
  • npyaxmpb.dll is loaded into Mozilla Firefox under the product name '[email protected]/YahooActiveXPluginBridge;version=' with a plugin key of '[email protected]/YahooActiveXPluginBridge;version=' for all users of the PC.
  • YMMAPI.dll runs as a service named 'MapsGalaxyService' (MapsGalaxy_39Service).
Startup File (All Users Run)
  • YMailAdvisor.exe is loaded in the all users (HKLM) registry as a startup file name 'YMailAdvisor' which loads as "C:\Program Files\Yahoo!\Common\YMailAdvisor.exe".
2 Windows Firewall Allowed Programs
  • unyt.exe is added as a firewall exception for 'C:\Program Files\Yahoo!\Common\unyt.exe'.
  • ymmapi.dll is added as a firewall exception for 'C:\Program Files1\Yahoo!\MESSEN~1\yserver.exe'.

Program resource utilizationResource utilization averages

Memory:720 KB
21.09 MB average
Total CPU:0.0009094942%
0.031193% average
Kernel CPU:0.00060742%
0.016088% average
User CPU:0.00030207%
0.015104% average
CPU cycles/sec:17,712
8,062,084 average

How do I remove Yahoo! Browser Services?

You can uninstall Yahoo! Browser Services 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 Yahoo! Browser Services, 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 Yahoo! Browser Services.

How do I reset my web browser?

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

Win Vista (SP2) 53%
Win 10 0%
Automatically starts? Yes
(Found in the run registry)
Uninstall it 18%
Keep it 82%

Windows OS versionsWindows

Which Windows OS versions does it run on?
Windows Vista 59.23%
Windows XP 28.45%
Windows 7 11.81%
Windows 10 0.50%
Which OS releases does it run on?
Windows Vista Home Premiu... 50.43%
Microsoft Windows XP 27.60%
Windows Vista Home Basic 6.98%
Windows 7 Home Premium 6.47%
Windows 7 Ultimate 2.90%
Windows Vista Ultimate 1.87%

Distribution by countryGeography

88.43% of installs come from the United States
Which countries install it?
  United States 88.43%
  Romania 1.56%
  United Kingdom 1.46%
  Canada 1.25%
  Australia 0.73%
  Philippines 0.73%
  India 0.52%
  Malaysia 0.52%
  Indonesia 0.42%
  Iran 0.42%
  Greece 0.31%
  United Arab Emirates 0.31%
  LY 0.21%
  Germany 0.21%

OEM distributionPC manufacturers

What PC manufacturers (OEMs) have it installed?
Hewlett-Packard 31.80%
Dell 31.17%
Toshiba 9.41%
Acer 7.95%
Gateway 6.49%
American Megatrends 3.77%
Intel 3.77%
Sahara 2.30%
Common models
Dell Inspiron 530 5.93%
Dell Inspiron 1720 3.33%
Dell Dimension E521 2.96%
TOSHIBA Satellite A215 2.96%
HP Pavilion dv6700 Notebo... 2.59%
Dell Computer Dimension 2... 2.59%

About Yahoo!

Yahoo! is a major internet brand that provides search, contents, and other web services.
Publisher URL: www.yahoo.com


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