Indexing Service filter daemon

cidaemon.exe. What is it?

Cidaemon.exe is the Indexing Service filter daemon.

This file is part of Microsoft® Windows® Operating System. Cidaemon.exe is developed by Microsoft Corporation. It’s a system and hidden file. Cidaemon.exe is usually located in the %WINDOWS% sub-folder and its usual size is 8,192 bytes.

The Indexing Service (cidaemon.exe) is a background process that indexes your files and folders for faster Windows search. It assigns an index to each file and folder, which speeds up searching for specific files.

How to Disable Indexing (cidaemon.exe)

The Indexing Service is useful if you make frequent use of the Windows Search feature, but in some cases it can take up a lot of CPU and RAM. On top of that, cidaemon.exe can make your hard drive thrash as it indexes files and folders. If cidaemon.exe is consuming excessive system resources and is slowing down your computer, you can always disable it. Here’s how:

Windows XP

  1. Go to Start and go to Control Panel
  2. Double-click Add/Remove Programs
  3. Click Add/Remove Windows Components
  4. Uncheck Indexing Services
  5. Click Next and then click Finish

Windows 7

  1. Click on Start, type services.msc in the Search box and hit Enter
  2. In the new window, find the Windows Search entry
  3. Right-click on Windows Search and go to Properties
  4. In the Startup type dropdown box, select Disabled
  5. Click Apply, then click OK
  6. Reboot your PC



The cidaemon.exe process is safe. Disabling it can be dangerous because programs on your computer need it to work correctly.


Author: Microsoft CorporationPart Of: Microsoft® Windows® Operating SystemCommon path(s): subfolder %WINDOWS%
subfolder %SYSTEM%
subfolder %WINDOWS%


Malware risk: Scan your PC for viruses and Trojans
Some viruses infect computers while disguised in the form of legitimate files, like cidaemon.exe. Run an antivirus scan to ensure your PC is clean and safe.
Registry Errors: Free scan (run Registry Cleaner)Uninstallation: N/A Uninstall (run Unistall Manager)Disk & Memory Usage: N/A Free scan (run Task Manager)

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