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 SearchProtocolHost.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.
The process known as Microsoft Windows Search Protocol Host belongs to software Microsoft Windows Operating System or Windows Search or Microsoft Windows Search Protocol Host by Microsoft (www.microsoft.com).
Description: SearchProtocolHost.exe is an important part of Windows, but often causes problems. The file SearchProtocolHost.exe is located in the C:\Windows\System32 folder.
Known file sizes on Windows 8/7/XP are 184,832 bytes (33% of all occurrences), 164,352 bytes and 13 more variants.
The program is not visible. It is a trustworthy file from Microsoft. It is not a Windows system file. Therefore the technical security rating is 10% dangerous; however you should also read the user reviews.
Recommended: Identify SearchProtocolHost.exe related errors
If SearchProtocolHost.exe is located in a subfolder of C:\Windows, the security rating is 18% dangerous. The file size is 373,760 bytes (20% of all occurrences), 184,832 bytes and 5 more variants. The program is not visible. The file is a Microsoft signed file. The file is not a Windows core file.
Important: Some malware disguises itself as SearchProtocolHost.exe, particularly when not located in the C:\Windows\System32 folder. Therefore, you should check the SearchProtocolHost.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.
A clean and tidy computer is the key requirement for avoiding problems with SearchProtocolHost. 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 SearchProtocolHost.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.