What is cidaemon.exe? Is cidaemon.exe spyware or a virus?

How to fix cidaemon.exe related problems?
1. Run Security Task Manager to check your cidaemon process
2. Run SpeedUpMyPC to fix related speed issues
3. Run Spyware Doctor to remove persistent malware


The Indexing Service is a process that sits in the background and runs at low priority, scanning your hard drive and recording the content of your files in special indexes. This information lets you to search for specific documents by their contents more quickly than would be possible otherwise. This service can be disabled if it is taking up a great deal of system resources (via the Services utility in the Control Panel).http://www.neuber.com/taskmanager/process/cidaemon.exe.html 

If you want a detailed security rating about your cidaemon.exe (and all other running background processes) read the following user opinions, and download the free trial version of Security Task Manager.

Note: Any malware can be named anything - so you should check where the files of the running processes are located on your disk. If a "non-Microsoft" .exe file is located in the C:\Windows or C:\Windows\System32 folder, then there is a high risk for a virus, spyware, trojan or worm infection! Check it out!


Click to Run a Free Scan for cidaemon.exe speed issues.


Users Opinions

Average user rating of cidaemon.exe: 3.5 based on 103 votes. Read also the 95 reviews.

866 users ask for this file. 50 users rated it as not dangerous. 4 users rated it as not so dangerous. 17 users rated it as neutral. 17 users rated it as little bit dangerous. 15 users rated it as dangerous. 5 users didn't rate it ("don't know").


All comments about cidaemon.exe:
rate1 Microsoft Background File Indexing for faster file search   Peter
rate4 I think its spyware   ARow
rate4 this file acupy the cpu time in 100% of its operating range   a.r.marsousi
rate1 Microsoft Windows File Indexing service filter and also for the Sharepoint Service.  See also: Link   Harry Leiss
rate5 it uses to much of my processing   Toto
rate2 It is part of the indexing service. As long as it is in c:\%system%\system32 you are ok (where system is your windows/winnt directory). It runs at low priority, so it is using 100% of idle processor time. There are no know viruses or spyware that make use of this service, although some pretend to be it.   David Smith
rate1 To make microsoft file explorer search faster. Only takes hard time processing at the stating of the computer. To eliminate go to My Computer, [F3] and change the setting.   Coloypr
rate4 It occupies a high %'age of the CPU time for me too   A Dub
rate4 It is a windows file that steals a lot of resorces and i dont know very well what is good for   bonham
rate3 Microsoft Background File Indexing for faster file search   Alessandro Ocampo
rate4 It makes my computer run slower and every since I got rid of it my computer has had no problems   Jeremy
rate5 It has been quarantined by my virus scanner mcafee 8.0   Anonymous
rate5 After that file suddenly showed up some of my files went missing just totally vanished I consider it a threat. Now I have no sound and my programs keep generating errors.   Kaiyra
rate1 microsoft file indexing (can be turned on or off)   HOBBS(SYSOP)
rate1 Not harmfull, process runned by svchost.exe See TaskList of svchost.exe at the bottom  See also: Link   Dr. Xtravaganza
rate1 See Microsoft Knowledge Base Article 899869  See also: Link   Tracker
rate0 It's on Processes in Task Manager. Won't allow me to end process. Says "Access Denied"   Aidan
rate5 it uses all of cpu time   subh
rate1 indexer - it's harmless and you won't even notice it if you have a fast cpu and lots of mem.   Mole
rate3 I think this indexing process slow's your pc   Sameer
rate3 Used for faster file searching with windows. cidaemon.exe is not a virus but CiDaemon.exe is, its part of VBS.Ypsan.E@mm worm so check the name macke sure it matches cidaemon.exe excatly.   sam.l (Sydney)
rate3 It's another "helpful" service that comes with a price. If you have lots-o-files and perform lots-o-searches then you want it enabled. If paranoid and the disk noise "scares" you, then disable it.   The Other DS
rate1 Its an indexing service to index a NTFS disc for fast file searching in windows. To stop it go to properties on each of your NTFS drives and unclick the checkbox that says "allow Indexing..."   Chad
rate1 It is an indexing service for windows. It's not a necessity, nor is it important. It is, however, a buggy piece of programming, and it might actually make your computer better if you deactivate it.   Melissa
rate1 Windows background service. Indexes hard drives for faster searches. Can be a little processor-intensive on older machines. Easily turned off under the hard drive's properties.   Post-it man
rate1 Indexes your computer for faster searches. Slows down your computer a little to do so though. However it is not a virus not spyware.   Nathan
rate1 Microsoft Background File Indexing for faster file search  See also: Link   Ruban Antony
rate3 microsoft indexing process to help you run searches quicker; however, may cause your computer to run slower  See also: Link   cur1
rate3 Most the time it is inacitve, but it may use one of svchost.exe processes, over 90% of the mem. for a few minutes at times if you don't have much CPU to spare. So turn the bugger off and enjoy some nerdy 'puter times!   Franc-Sois D.
rate1 It's the Microsoft Content Indexing Daemon. It uses a large CPU % when the computer is idle, but should not be right-out deleted. It can be removed using MS's instructions in the link.  See also: Link   IorDMUX
rate2 It is an indexing daemon that uses too many system resources, it should just be turned off   zK9
rate1 See Microsoft Knowledge Base Article 899869 See also: Link   GhstND
rate1 It is part of Window's indexing service. It may tie up too much of your system's resources on slower computers. It can be turned off easily from your search window.  
rate1 cidaemon.exe is an indexing service which catalogues files for faster file searches. This is done from time to time (generally when the system is idle) for faster results.   Raajaram Krishnamoorthy
rate1 Indexing Service - No harm, but not necessary either   Dan
rate1 It is just for faster searches.   Anonymous
rate2 Correct if I'm wrong but, as long as I know, this service is used only when needed and then turned off by the system. Note that sometimes it shows a certain value at the CPU field, and sometimes don't.   David
rate1 search, files or folders, change preferences, with index services, No, do not enable..   tommyt
rate1 MS file indexing service   OKiDoki
rate1 You can't just end the process..you have to go into services and stop/disable the Indexing Service. If it's a webserver, you don't need it running anyway..   Steve
rate1 its like the genuine XTC the afterpcdmp  
rate3 When I'm working with the computer, cidaemon.exe cpu usage is low. However, it went up to 100% after 5 min idling and causing my mother board to heat up to 61 deg C and causing sudden and violent shut down.   xra989
rate1 File Indexing, Surely it is not dangerous even it occupy 100%   Ganesh
rate1 MS Indexing service - Used for fast searching - databases - mysql - sql - so on   ParentTechnology.com
rate1 Usually the file is the indexing service. Like most of the services it can be hooked by malware, so if you want to disable it you can always use the services control panel to disable it. See KB920685 for one example exploit.  See also: Link   tB
rate1 after doing a search in XP, you can choose to activate indexing, Indexing is Not Essinetial, but it help make searching faster   Arrolis
rate4 service will start after you open windows explorer. your computer will be slow   Amly
rate1 it is not dangerous if you have like 8gb of ram, and an fx62 or higher, but if your like the rest of us, then open the search window, goto change preferences, goto with indexing service, and select no dont enable indexing service. it wont bother u any time soon.   Yami aka Antichrist
rate4 it takes 50% or more cpu usage   Ajay
rate5 It is an indexing service by Microsoft but it is not neccessary . I never liked it, my computer can live without it. But you can't delete it. You computer will be alive if you do manage to delete it. it slows down your computer and not everyone has 1gb of RAM to suffice your needs.   Tea
rate1 This is annoying when it randomly starts and uses 80-90% cpu. I notice it as I have one of those new Intel D processors and fans!  See also: Link   John (programmer)
rate1 Indexes file on your hard drive, so that when you search for files, the results appear much much faster. This program only runs when your computer is idle, therefore it occupies as much cpu power as possible, but only while idle (that is, when you are not in front of your computer, when you are not using it). Therefore, it should not be slowing down your computer whatsoever (maybe a little while this service is stopping, after you come back to your computer, but in general, it will not)   Rob
rate3 I think you won't have anyproblem until your computer 's CPU have been used up to 100 by this service   MrBoong
rate1 It is an indexing service for windows. if you disable it it will enable more cpu but at the cost of HD speed.   another nathan
rate1 It indexes your files for faster searching. To disable right click C and uncheck "allow indexing" in properties.   Milliamp
rate3 It is not a virus & suposedly not Spyware but on the other hand it is spying on you by indexing every file, program & registration number on your computer & sending the data to Microsoft. In effect it is Microsoft Autherised Spyware, how else do they catch all those software pirates every year. If you have a good (non windows) firewall (Zone Alarm) just deny it internet access & set it to remember the settings for next time it trys to sneakily give away all your personal PC information to Microsoft. They wouldnt admit to it but it but they COULD sell the info gathered to other companies   Not a Microsoft Fan
rate3 regardless of whether it uses IDLE cpu or not. it still thrashes the shit out of your hard drive. go on, show me a way to make it use idle I/O instead of slowing down my system to a dog with hard drive thrashing and ill be impressed.   matt
rate1 It is a legitimate indexing service that is part of Microsoft. that can slow down the computer. Microsoft has a page explaining how to turn it off. See support.microsoft.com/kb/899869  See also: Link   Arthur
rate5 cpu means Cideamon.exe Plus Uforever  See also: Link   Lartz
rate4 it takes my lot of CPU n i am not able to work plz tell the the rite way to remove dis stupid file.   Amit
rate4 It appears to me sometimes every 30 seconds, and it is very disgusting... if you have the same problem go to Start - Search - Change Preferences - Without index server and press disable index server. My windows it is in spanish so I don't know exactly the same words that are goinna appear to you, but anyways it's something like that.   Shleper
rate1 used in the search function to find files or folders can be turned on and off use "START- SEARCH files folders   Marc
rate1 It is a pain. Not harmful but its 100% clamp makes it not required. Background service my arse. MS should remind if that fact.   The Zook
rate1 NOT Dangerous!! It is indexing specified locations which can be removed by going to the Indexing Service Snap-In in the Microsoft Management Console (MMC) each CiDaemon.exe process is an Indexing catalog which can be deleted but when their configured correctly they make a noticable difference in the speed of navigating your PC  See also: Link   UTB_Pro456
rate1 While the executable has a tendency to bring your PC to a halt, this is not spyware or malware, and is in place by design.  See also: Link   Brent Pabst
rate5 it's a virus not so dangeraus you can terminate him but it will be activated after a short time sometimes he slows down my comp  See also: Link   Tedi
rate4 I have a toshiba laptop and every time that program runs it uses 5-15% cpu and my battery stops working   Tyler
rate1 It makes my prossesser so hot, and makes my computer slow, realy, i had to disable it.   Dglaser
rate0 spend 50% of the CPU   mosral
rate0 there is no way to erase it, it keeps coming back   Roger Belanger
rate1 Microsoft Background File Indexing for faster file search   Homer J.
rate4 MS search facilities are rubbish.Terminally slow and unnecessarily obtrusive. Its a shame Dave Cutler didn't introduce some VMS concepts here. I'd shut this down every time - no one searches enough to use indexing.   Jack Mc Hammer
rate3 particularly obsolete windows program, pegging you at 100% cpu you can't exit. disable indexing for all your drives by right clicking. also turn off indexing in search companion, preferences. use a free or low cost indexing program they are much better   drd
rate5 My desktop computer is fried. it totally freezes up after clicking on any icon for anything. Norton Rescue Boot indicated "cidaemon.exe made 250 modifications to your computer". I can't even log on to the internet to properly install Norton. This is dangerous, and in my opinion, IT MUST BE PART OF A WORM OR VIRUS. My desktop is now trash, as I can;t get as far as disabling it.   Malanie
rate4 it uses all of processer time   zjm
rate1 Its a file indexer. I dont nomally notice its impact but it causes Skype to produce very choppy audio (or no audio at all).   Tricky
rate3 File Indexing for faster file search for Windows  See also: Link   vimal patel
rate3 My computer is new but cidaemon.exe still takes up 50% of my CPU and i didnt use to have it until some time ago. When i looked on the "processes" in tskmanager there are two cidaemon.exes running so i dont know if one of them is a virus. I've scanned it with norton(even though norton fails)but it says its not a virus.   Aeron
rate1 As the friend said, It is MS utility than will be not friendly to the user, when It was not usable I disabled...   Samuel
rate4 It keeps my H.D. active even when Iam trying to let it sit idle . It slows down my PC in every aspect of its performance ,I disabled it by removing the check mark in the properties for my H.D. C and also went to administrator tools services and disabled it there !   Nick
rate1 it is for indexing system files   Dinesh
rate5 c:\program files\rapitdit\cidaemon.exe It was installed without my knowledge. A virus for sure.   Arek
rate1 Search indexing service. Turn it off using services.msc and setting the indexing service to disabled. Instant speed boost.   Nick
rate0 Norton warned me about its high CPU usage.I started my computer in SAFE MODE windows files , found it in system 32 and deleted it. I'll think about restoring it with changes later.   minnesotabongo
rate4 Don't know what does it actually do. But it puts overload on my CPU. I hate it.   Ankit
rate4 It takes too much of the CPU resources.   neswest
rate4 Index service   kojong
rate1 I uninstalled Windows Search 4, problem solved   Frank
rate5 It keeps the CPU occupied and doesnt allow any other (heavy) programs to run. Pausing it when I need max CPU performance and restarting it when I am working on not CPU intensive programs does the trick.   Arun Jingade Seetharamrao
rate1 To resolve the issue, turn off the Indexing service. To turn off the Indexing service, follow these steps:   Justine
rate2 it is not 'background - daemon' anymore if it start to mess with overall pc speed! it is annoyance!  
rate0 Cidaemon.exe is from the file indexing service. On my computer indexing was stalled and Cadeaon running at 50% ish all the time. I changed the settings in Computer Management and stopped and started in the indexing service a few times in computer management and the problem resolved itself.   Jeremy
rate3 Its windows Service  See also: Link   Kalu
rate5 cidaemon.exe would not let me update adobe reader or download a newer version until I stopped the process.  
rate5 My CIDEAMON.EXE file runs some times to 100% of CPU. Also, after first time I saw this problem, Some of my processes has not any "User Name" in the "Task Manager". Anyway, After a while I saw some trojans attacks. Finally, they forced me to reboot. After reboot, viruses do not show themselves but I think they Installed and will run as soon as they can.   Amir

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