84,488,480 programs installed

Should I remove Yahoo! Toolbar?

What percent of users and experts removed it?
51% remove it49% keep it
Overall Sentiment
What do people think about it?
(click star to rate)
How common is it?
Global Rank #661
United States Rank #421
Reach 1.0253%
Lifespan of installation (until removal)
< 17.19 days
507.13 days >
Average installed length: 266.46 days

Other programs by Yahoo!

Yahoo! Toolbar

What is Yahoo! Toolbar?

Yahoo! Toolbar is a toolbar that installs on the Internet Explorer and Firefox browsers, within the context of internet access functions. It allows access to several functions, including Yahoo! Search and Yahoo! Mail.

About  (from Yahoo!)

Yahoo! Toolbar is included in the Typical Install when downloading Yahoo! Messenger. Yahoo! Toolbar allows you to check if your friends are online and change your status right from the browser. You can also enjoy anytime access to Yahoo! Search and your favorite Yahoo! sites.


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 unyt.exe. The software installer includes 229 files and is usually about 1.47 MB (1,540,471 bytes).
  • Loads into the web browser
  • Adds a background Windows Service
Bundled relationships

Program detailsProgram details

URL: us.toolbar.yahoo.com
Installation folder: C:\Program Files\Yahoo!\Companion\
Uninstaller: C:\Program Files1\Yahoo!\Common\UNYT_W~1.EXE
Estimated size: 1.47 MB

Program filesFiles installed by Yahoo! Toolbar

Program executable:unyt.exe
Yahoo! Toolbar Setup
Path:C:\Program Files\Yahoo!\Common\unyt.exe
Additional files:
  • YTSingleInstance.dll - Yahoo! Single Instance for Mail
  • ytbb.exe - Yahoo! Toolbar Assistant
  • ytbn.exe - Yahoo! Toolbar Notifier
  • yt.dll - Yahoo! Toolbar

Program behaviorsBehaviors exhibited

Context Menu Handler
  • yt.dll added to Windows Explorer under the name 'EPP' with a class of {09A47860-11B0-4DA5-AFA5-26D86198A780}.
2 Internet Explorer BHOs
  • yt.dll is installed in Internet Explorer as a BHO (Browser Helper Object) under the name 'Toolbar BHO' with the class of {1e91a655-bb4b-4693-a05e-2edebc4c9d89}.
  • YTSingleInstance.dll is installed in Internet Explorer as a BHO (Browser Helper Object) under the name 'SingleInstance Class' with the class of {FDAD4DA1-61A2-4FD8-9C17-86F7AC245081}.
2 Internet Explorer Toolbars
  • yt.dll is loaded as Internet Explorer Toolbar with the name 'McAfee SiteAdvisor Toolbar' with the class of {0EBBBE48-BAD4-4B4C-8E5A-516ABECAE064} (McAfee SiteAdvisor).
  • YTSingleInstance.dll is loaded as Internet Explorer Toolbar with the name 'Searchqu Toolbar' with the class of {99079a25-328f-4bd4-be04-00955acaa0a7}.
Internet Explorer URL Search Hook
  • yt.dll loads into IE as a URL Search Hook named 'Yahoo! Toolbar' with a class of {EF99BD32-C1FB-11D2-892F-0090271D4F88} in order to redirect unknown URL searches.
Internet Explorer Web Browser
  • yt.dll installs an IE Web Browser in Internet Explorer named 'Yahoo! Toolbar' with a class of {EF99BD32-C1FB-11D2-892F-0090271D4F88}.
Mozilla Plugin
  • yt.dll is loaded into Mozilla Firefox under the product name 'McAfee Total Protection' with a plugin key of '@mcafee.com/MSC,version=10' for all users of the PC.
  • yt.dll runs as a service named 'McAfee Activation Service' (McAWFwk) "McAfee Activation Service".
Windows Firewall Allowed Program
  • ytbb.exe is added as a firewall exception for 'C:\Program Files1\Yahoo!\Companion\Installs\cpn0\ytbb.exe'.

Program resource utilizationResource utilization averages

Memory:1.43 MB
21.09 MB average
Total CPU:0.0006916611%
0.031193% average
Kernel CPU:0.00046612%
0.016088% average
User CPU:0.00022554%
0.015104% average
I/O reads/min:99 Bytes
435.61 KB average
I/O writes/min:0 Bytes
105.02 KB average

How do I remove Yahoo! Toolbar?

You can uninstall Yahoo! Toolbar 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! Toolbar, 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! Toolbar.
  4. If for some reason uninstallation fails, please install Microsoft's uninstall fixer utility which will help fix problems with programs that can't be uninstalled at support.microsoft.com.

How do I reset my web browser?

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

Plugs into Internet Explorer
Uninstall it 51%
Keep it 49%

Windows OS versionsWindows

Which Windows OS versions does it run on?
Windows 7 62.27%
Windows Vista 20.07%
Windows 10 9.45%
Windows XP 8.19%
Windows Server 2003 0.02%
Which OS releases does it run on?
Windows 7 Home Premium 42.44%
Windows Vista Home Premiu... 16.77%
Windows 7 Ultimate 9.12%
Windows 7 Professional 8.56%
Microsoft Windows XP 8.06%
Windows 10 Home 3.14%

Distribution by countryGeography

65.77% of installs come from the United States
Which countries install it?
  United States 65.77%
  Germany 7.00%
  United Kingdom 5.74%
  Canada 3.41%
  Italy 2.58%
  France 2.07%
  India 1.65%
  Philippines 0.96%
  Iran 0.90%
  MA 0.74%
  Indonesia 0.66%
  Malaysia 0.56%
  DZ 0.52%
  Romania 0.41%

OEM distributionPC manufacturers

What PC manufacturers (OEMs) have it installed?
Hewlett-Packard 36.09%
Dell 25.05%
Acer 16.83%
Toshiba 8.53%
ASUS 4.57%
Lenovo 1.69%
Intel 1.07%
Samsung 1.04%
American Megatrends 1.01%
Sahara 0.86%
Common models
HP Pavilion dv6 Notebook ... 7.10%
HP Pavilion dv7 Notebook ... 6.83%
HP Pavilion g6 Notebook P... 3.79%
Dell Inspiron 1545 3.27%
HP G60 Notebook PC 3.08%
HP Pavilion dv6700 Notebo... 2.88%

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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