What is a2srchas.dll?

The genuine a2srchas.dll file is a software component of Ask Search Assistant by
"a2srchas.dll" is the dynamic link library file for the Search Assistant, which is also known as the Search Toolbar. The DLL file serves the integration of system files to the browser in order for the search toolbar to function. The browser add-on appears as an extra bar across the browser that provides convenient links and a search box. is a leader in global search functionality and provides useful search tools and browser integration applications.

A2SrchAs stands for 2 Search Assistant

A2srchas.dll is a browser extension for Internet Explorer. This add-on enables several additional functions for Internet Explorer. You can disable it through the Extras menu (key combination Alt + X) under Manage Add-ons. The following paragraph provides more information about Search Assistant.

Click to Run a Free Scan for a2srchas.dll related errors

A2srchas.dll file information

The process known as Search Assistant belongs to software Ask Search Assistant by (

Description: A2srchas.dll is not essential for the Windows OS and causes relatively few problems. A2srchas.dll is located in a subfolder of "C:\Program Files". The file size on Windows 10/8/7/XP is 66,912 bytes. 
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 0579B4B1-0293-4d73-B02D-5EBB0BA0F0A2. The program has no visible window. The file is a Verisign signed file. The a2srchas.dll file is able to change the behavior of, or monitor Internet Explorer. The file is certified by a trustworthy company. A2srchas.dll is not a Windows core file. Therefore the technical security rating is 35% dangerous, however you should also read the user reviews.

Uninstalling this variant: The software vendor offers the option to do the following:
  1) uninstall the program using the Control Panel ⇒ Uninstall a Search Assistant
  2) visit the support page.

Recommended: Identify a2srchas.dll related errors

Important: Some malware camouflages itself as a2srchas.dll, particularly when located in the C:\Windows or C:\Windows\System32 folder. Therefore, you should check the a2srchas.dll process on your PC to see if it is a threat. If Search Assistant has changed your browser's search engine and start page, you can recover your browser's default settings as follows:

Reset default browser settings for Internet-Explorer ▾
  1. In Internet Explorer, press the key combination Alt + X to open the Tools menu.
  2. Click Internet options.
  3. Click the Advanced tab.
  4. Click the Reset... button.
  5. Enable the Delete personal settings option.
This will reset your Internet Explorer to its default settings. Your browser will start with the familiar start page and search engine—without popups, ads, cookies, but all browser add-ons are deleted too [1]. Make cleaning up your browser and your computer simpler and safer with Security Task Manager.


User Comments

some antispyware define it as adware
  said elmasry  

Summary: Average user rating of a2srchas.dll: based on 1 vote with 1 user comment. One user thinks a2srchas.dll is essential for Windows or an installed application.

Do you have additional information? Help other users!
What do you know about a2srchas.dll:
How would you rate it:
Link for more info:
Your Name:

Best practices for resolving a2srchas issues

The following programs have also been shown useful for a deeper analysis: ASecurity Task Manager examines the active a2srchas process on your computer and clearly tells you what it is doing. Malwarebytes' well-known Banti-malware tool tells you if the a2srchas.dll on your computer displays annoying ads, slowing it down. This type of unwanted adware program is not considered by some antivirus software to be a virus and is therefore not marked for cleanup.

A clean and tidy computer is the key requirement for avoiding PC trouble. This means running a scan for malware, cleaning your hard drive using 1cleanmgr and 2sfc /scannow, 3uninstalling programs that you no longer need, checking for Autostart programs (using 4msconfig) and enabling Windows' 5Automatic 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 6resmon command to identify the processes that are causing your problem. Even for serious problems, rather than reinstalling Windows, you are better off repairing of your installation or, for Windows 8 and later versions, executing the 7DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

Other processes

a2srchas.dll [all]