What is DefaultTabBHO.dll?

DefaultTabBHO.dll is a Windows DLL file. DLL is the abbreviation for Dynamic Link Library. DLL files are needed by programs or web browser extensions, because they contain program code, data, and resources. The following information can help you determine if DefaultTabBHO.dll is a Windows system file or if it belongs to an application that you can trust.

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DefaultTabBHO.dll file information

The process known as Search Results or DefaultTab Search belongs to software DefaultTab or Search Results by Search Results.

Description: DefaultTabBHO.dll is not essential for Windows and will often cause problems. DefaultTabBHO.dll is located in a subfolder of "C:\Documents and Settings" or sometimes in a subfolder of C:\Windows\System32. Known file sizes on Windows 8/7/XP are 433,272 bytes (38% of all occurrences), 430,712 bytes and 9 more variants. 
This .dll file is a Browser Helper Object (BHO) that runs automatically every time you start your web browser. BHOs are not stopped by personal firewalls, because they are identified by the firewall as part of the browser itself. BHOs are often used by adware and spyware. IDs used by this BHO include 7F6AFBF1-E065-4627-A2FD-810366367D01. The program is not visible. DefaultTabBHO.dll is able to change the behavior of, or monitor Internet Explorer. The file is certified by a trustworthy company. The DefaultTabBHO.dll file is not a Windows core file. DefaultTabBHO.dll is able to record keyboard and mouse inputs. Therefore the technical security rating is 50% dangerous, however you should also read the user reviews.
If you run into problems with DefaultTabBHO.dll, you can uninstall the software DefaultTab using the "Add or Remove Programs" function of Windows Control Panel (Windows: Start, Settings, Control Panel, Add or Remove Programs).

Recommended: Identify DefaultTabBHO.dll related errors

Important: Some malware camouflages itself as DefaultTabBHO.dll. Therefore, you should check the DefaultTabBHO.dll process on your PC to see if it is a threat. We recommend Security Task Manager for verifying your computer's security. This was one of the Top Download Picks of The Washington Post and PC World.


User Comments

To disable 'defaultabho.dll' in Explorer 10, Windows 7, first hit the 'Tools' button on the Explorer tool bar. Then the 'Programs' tab on the window that opens. Then 'Manage Add-Ons' and find the add-on selection, 'Default Tab Browser Helper' and disable it. You'll see the change immediately.
  Bill Kilgore  

Summary: Average user rating of DefaultTabBHO.dll: based on 2 votes with 1 user comment. One user suspects danger. One user thinks DefaultTabBHO.dll is dangerous and recommends removing it.

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Best practices for resolving DefaultTabBHO issues

A clean and tidy computer is the key requirement for avoiding problems with DefaultTabBHO. This means running a scan for malware, cleaning your hard drive using cleanmgr and sfc /scannow, uninstalling programs that you no longer need, checking for Autostart programs (using msconfig) and enabling Windows' Automatic Update. Always remember to perform periodic backups, or at least to set restore points.

Should you experience an actual problem, try to recall the last thing you did, or the last thing you installed before the problem appeared for the first time. Use the resmon command to identify the processes that are causing your problem. Even for serious problems, rather than reinstalling Windows, you are better off doing a repair of your installation, or in the case of Windows 8, executing the DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

To help you analyze the DefaultTabBHO.dll process on your computer, the following programs have proven to be helpful: Security Task Manager displays all running Windows tasks, including embedded hidden processes, such as keyboard and browser monitoring or Autostart entries. A unique security risk rating indicates the likelihood of the process being potential spyware, malware or a Trojan. Malwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.

Other processes

DefaultTabBHO.dll [all]