84,488,480 programs installed

Should I remove Browser Guard?

What percent of users and experts removed it?
45% remove it55% keep it
Overall Sentiment
What do people think about it?
(click star to rate)
How common is it?
Global Rank #9,146
United States Rank #7,371
Reach 0.0415%
Lifespan of installation (until removal)
< 23.55 days
694.63 days >
Average installed length: 364.98 days


VersionDistribution 58.75% 32.44% 2.57% 2.33% 1.71% 2.20%

Other programs by PC Tools Software

Browser Guard 4.0

What is Browser Guard?

Checks downloads for viruses, adware, spyware or other possibly unwanted programs. Integrates with the search results provided by popular search engines such as Google and Yahoo! so you can see if it is safe to continue even before you visit a website

About  (from PC Tools Software)

The Browser Guard Toolbar warns you of unsafe and suspicious websites right in your search results so you can surf and shop online safely. Whenever you visit a site, Browser Guard checks the address and displays a safety rating based on potential malicious behavior or threats associated with the site. The Browser Guard...  Read more


The most used version is, with over 98% of all installations currently using this version. 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 main program executable is PCTBrowserDefender.dll. The software installer includes 14 files and is usually about 32.21 MB (33,778,670 bytes). PCTBDUpdate.exe is the automatic update component of the software designed to download and apply new updates should new versions be released.
  • Loads into the web browser
  • Installs a Windows Service

Program detailsProgram details

Displayed publisher: PC Tools
URL: www.pctools.com/browserguard
Installation folder: C:\Program Files\PC Tools\PC Tools Security\BDT\
Uninstaller: "C:\Program Files\PC Tools\PC Tools Security\BDT\unins000.exe"
Estimated size: 32.21 MB

Program filesFiles installed by Browser Guard 4.0

Program module:PCTBrowserDefender.dll
Name:Threat Expert Ltd. Browser Defender
Browser Defender Toolbar
Signed by:PC Tools
Path:C:\Program Files\PC Tools\PC Tools Security\BDT\PCTBrowserDefender.dll
Browser Defender Toolbar for Browser Guard is a toolbar which helps you use the Internet safely by displaying site ratings as you browse. Browser Guard marks up search results provided by popular search engines including Google and Yahoo!...
Additional files:
  • InnoHelpers.dll - InnoHelpers Dynamic Link Library
  • unins000.exe - Setup/Uninstall
  • BDTKDSClient.dll (by Threat Expert) - Threat Expert Ltd. Browser Defender (Browser Defender KDS Client)
  • BDTUpdateService.exe (by Threat Expert) - Browser Defender Update Service
  • CommLib32.dll - Browser Defender CommLib
  • PCTBDCom.dll - Browser Defender Com
  • PCTBDUpdate.exe - Browser Defender Updater
  • PCTBrowserDefender.dll - Browser Defender Toolbar
  • BDTDom.dll
  • Utility.dll

Program behaviorsBehaviors exhibited

Internet Explorer BHO
  • PCTBrowserDefender.dll is installed in Internet Explorer as a BHO (Browser Helper Object) under the name 'PC Tools Browser Guard BHO' with the class of {2A0F3D1B-0909-4FF4-B272-609CCE6054E7} (Browser Guard BHO).
Internet Explorer Toolbar
  • PCTBrowserDefender.dll is loaded as Internet Explorer Toolbar with the name 'PC Tools Browser Guard' with the class of {472734EA-242A-422B-ADF8-83D1E48CC825}.
Internet Explorer URL Search Hook
  • PCTBrowserDefender.dll loads into IE as a URL Search Hook named 'PC Tools Browser Guard' with a class of {472734EA-242A-422b-ADF8-83D1E48CC825} in order to redirect unknown URL searches.
Internet Explorer Web Browser
  • PCTBrowserDefender.dll installs an IE Web Browser in Internet Explorer named 'PC Tools Browser Guard' with a class of {472734EA-242A-422B-ADF8-83D1E48CC825}.
  • BDTUpdateService.exe runs as a service named 'Browser Defender Update Service' (Browser Defender Update Service).

Program resource utilizationResource utilization averages

Memory:20.95 MB
21.09 MB average
Total CPU:0.0903925710%
0.031193% average
Kernel CPU:0.00484246%
0.016088% average
User CPU:0.08555011%
0.015104% average

How do I remove Browser Guard?

You can uninstall Browser Guard 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 Browser Guard 4.0, 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 Browser Guard.
  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 Browser Guard 4.0 you can restore them to their previous default settings.
Microsoft Internet Explorer
Mozilla Firefox
Google Chrome

Win 7 (SP1) 67%
Win Vista 0%
Plugs into Internet Explorer
Uninstall it 45%
Keep it 55%

Windows OS versionsWindows

Which Windows OS versions does it run on?
Windows 7 72.46%
Windows Vista 10.53%
Windows 10 8.81%
Windows XP 8.08%
Windows Server 2003 0.12%
Which OS releases does it run on?
Windows 7 Home Premium 45.30%
Windows 7 Ultimate 14.48%
Windows 7 Professional 9.41%
Windows Vista Home Premiu... 7.92%
Microsoft Windows XP 7.55%
Windows 7 Home Basic 1.86%

Distribution by countryGeography

56.22% of installs come from the United States
Which countries install it?
  United States 56.22%
  United Kingdom 3.80%
  Taiwan 3.23%
  Germany 3.13%
  Canada 3.04%
  Australia 1.80%
  Poland 1.80%
  Italy 1.42%
  Brazil 1.33%
  Netherlands 1.33%
  Turkey 1.23%
  France 1.04%
  Egypt 1.04%
  Spain 0.95%

OEM distributionPC manufacturers

What PC manufacturers (OEMs) have it installed?
Hewlett-Packard 26.52%
Dell 26.33%
Acer 16.86%
Toshiba 8.71%
ASUS 7.20%
Lenovo 4.55%
American Megatrends 1.89%
Samsung 1.70%
Intel 1.33%
Common models
HP Pavilion dv7 Notebook ... 4.02%
HP Pavilion dv6 Notebook ... 3.21%
HP Pavilion g6 Notebook P... 3.21%
HP Pavilion g7 Notebook P... 2.81%
Dell XPS 8300 2.41%
HP G60 Notebook PC 2.01%

About PC Tools Software

PC Tools, a subsidiary of Symantec Corporation, develops security utilities for consumers and enterprises whose products include Spyware Doctor which provides spyware protection to secure Windows personal computers, Registry Mechanic, a registry cleaner to fix Windows errors, PC Tools AntiVirus which offers protection against virus infections and File Recover, which recovers files from hard drives, floppy drives, and fixed media.
Publisher URL: www.pctools.com

comments1 comment

user comment
user comment
Frustrated userover a year ago
Was unable to remove it with the install command. Very annoying.