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What is SearchFilterHost.exe?

The .exe extension on a filename indicates an executable file. Executable files may, in some cases, harm your computer. Therefore, please read below to decide for yourself whether the SearchFilterHost.exe on your computer is a Trojan that you should remove, or whether it is a file belonging to the Windows operating system or to a trusted application.

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SearchFilterHost.exe file information

Windows Task Manager with SearchFilterHost
SearchFilterHost.exe process in Windows Task Manager

The process known as Microsoft Windows Search Filter Host belongs to software Microsoft Windows Operating System or Windows Search or Microsoft Windows Search Filter Host by Microsoft (www.microsoft.com).

Description: SearchFilterHost.exe is an important part of Windows, but often causes problems. SearchFilterHost.exe is located in the C:\Windows\System32 folder. Known file sizes on Windows 8/7/XP are 87,552 bytes (37% of all occurrences), 76,800 bytes and 7 more variants. http://www.file.net/process/searchfilterhost.exe.html 
The program has no visible window. The SearchFilterHost.exe file is a trustworthy file from Microsoft. SearchFilterHost.exe is not a Windows core file. Therefore the technical security rating is 12% dangerous, however you should also read the user reviews.
The software vendor offers the option to uninstall Security Update for Microsoft from your computer using the Control Panel applet "Add/Remove programs".

Recommended: Identify SearchFilterHost.exe related errors

If SearchFilterHost.exe is located in a subfolder of C:\Windows, the security rating is 19% dangerous. The file size is 87,552 bytes (90% of all occurrences) or 113,664 bytes. The program is not visible. The file is a Microsoft signed file. It is not a Windows core file.

Important: Some malware disguises itself as SearchFilterHost.exe, particularly when not located in the C:\Windows\System32 folder. Therefore, you should check the SearchFilterHost.exe 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.

Score

User Comments

Part of Windows Desktop Search
  Alex   (further information)
SearchFilterHost.exe:
   
regarding to vista it appears to be part of their new all singing all dancing search indexer and though it speeds up file searches ultimately slow your entire os
  hildabum  
I got it off by uninstalling Windows Desktop Search
  Genior  
The first time I hear abot it was when outlook 2007 ask me about to chek on
  Carlos AB   (further information)
einfach den Dienst deaktivieren
  uncle di  
part of the confusingly named "windows search" which is an add-on app (this is NOT the built-in search function in windows)
  a  
Speeds up searches from start menu
  Dimitris  
uninstalling Windows Search 4.0 will remove this HD & CPU hogger
  MrForce  
Its keep trying accessing internet.
  binyo66   (further information)
McAfee does not recognise it as safe
  Sirius  
Seems to be part of Windows search indexing. Turning it off will at worst make file searching take longer.
   
If it is a window indexer (searches file faster in the desktop) then I believe there's no need for "SearchFilterHost" to connect itself to the internet. Might as well disable or block it with a 3rd party firewall.
  Syah  
Used for searching
    (further information)
it took 50% of my cpu usage. in windows 7 you can disable it by going to: control panell indexing optios (then deselect folders)
   
Thank you MrForce! Uninstalling Windows Search 4.0 solved the problem, and now I'm not bogged down by SearchIndexer locking up my computer. What an annoyance!!!
  Wadie  
I had windows indexing turned off for years when I noticed searchfilter was taking up 15%- 45% of my processor time while I was waiting for a new program I wrote to compile in Visual Studio 10. I double checked th search index in control panel and I had no files of folders chosen for indexing. I will try to uninstall Search 4.0 as suggested here on your web page). I will re-post when I am done with the uninstall (I am still compiling in the background).
  Joe Spivey  
On my computer (Windows XP SP3) this file was installed by Microsoft Search v4.0
  David  
Error after Adobe Flash Player Up-Grade. Adobe Flash site has fix for Flash Player 11.3 ,268 After install it fixed my mem error
   
In Windows 7, press Windows key + R simultaneously. In the Run dialog box enter 'services.msc'. Scroll down to 'Windows Search'. Right-click and from the ensuing window first stop, then disable the service. All fixed, no more p.i.t.a, CPU hogging by this annoying service.
  thx  
its taking to much cpu and hoting my laptop to 90c
  ohad  
Resource Hog!
   
Part of windows search. Disable if it is causing issues.
   
I tried the advice from 'thx' to disable 'Windows Search' using 'services.msc', and tested start-menu searching. Turns out the start-menu search will not search through my documents when 'Windows Search' is disabled, so I re-enabled it. I have windows 7.
  Jan Heldal  

Rating chart

Summary: Average user rating of SearchFilterHost.exe: based on 29 votes with 24 user comments. 4 users think SearchFilterHost.exe is essential for Windows or an installed application. One user thinks it's probably harmless. 21 users think it's neither essential nor dangerous. 3 users suspect danger. 6 users don't grade SearchFilterHost.exe ("not sure about it").


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Best practices for resolving SearchFilterHost issues

A clean and tidy computer is the key requirement for avoiding problems with SearchFilterHost. 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 SearchFilterHost.exe 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

SearchFilterHost.exe [all]