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Slowed Down Pentium 400

By hughcox ·
My Pentium II 400mhz 256 RAM(Win XP)has really slowed down. I've removed all temp files, temp internet files and cleaned out Windows Prefetch folder. At idle my system is still using between 20 - 40% of processing power1 i've updated Norton Antivitus 2003 Pro - no viruses, I've run Spybot and Adaware - no spyware. Task Manager shows 37 processes and the two which use all of this cpu time are cidaemon.exe (9-11%) which I believe is the anti-virus software and System Idle Process which is using the bulk of the cpu capacity enenwhen i have no programs running.

Help and advice please/

Hugh Cox

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by dRb63 In reply to Slowed Down Pentium 400

You need to install the latest service packs from This is a known issue and is easily fixed by doing the service packs.

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by dmiles In reply to Slowed Down Pentium 400

Windows XP is a processor hog,processes will be very high when the system is in use,currently I am runnign a PIII w/512m and the processes are at times very high even after turning off services and running maintenance wizard.

Check to see what services that you can disable and see if this helps

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by jarrettc In reply to Slowed Down Pentium 400

The cidaemon.exe is not tied to your Anti-Virus program, those should be defwatch.exe, vptray and one other thing, I believe for NAV. The cidaemon.exe file is associated with the indexing services on Windows XP. This service is not required for the stable operation of Windows XP and can be disabled by accessing the services and disabling the Indexing service. This will free up sometimes up to 2MB of memory and of course it frees up the CPU.

Here are some other services you can set to "Disabled" if they are currently being loaded to help in saving memory. Please research these services and how they apply to your system before disabling them. What may work for one system may not work for another, though I have disabled all of these services and have not run in to any issues. Ones with (network) next to them may be required if on one.

Automatic Updates
Background Intelligent Transfer Service
Computer Browser (network)
Distributed Link Tracking Client (network)
Error Reporting Service
IPSec Services (network or VPN)
Net Logon (This IS required if you have a network/domain you log on to)
NetMeeting Remote Desktop Sharing
Performance Logs and Alerts
Portable Media Serial Number
Remote Desktop Help Session Manager
Remote Registy Service (XP Pro only, network)
Routing and Remote Access (XP Pro only)
Secondary Logon (network)
Server (required if you are sharing any resources off of your computer)
Smart Card
Smart Card Helper
TCP/IP NetBIOS Helper (network)
Upload Manager
Wireless Zero Configuration
WMI Performance Adapter (network)

Windows XP also uses Prefetch that preloads programs at boot and programs that you often use, you can disable this by altering this registry key: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management\PrefetchParameters\EnablePrefetcher
Set the value to 0
There tons of tweaks out there, for XP try

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by wlbowers In reply to Slowed Down Pentium 400

cidaemon.exe is microsoft index service.

Microsoft has set on by default a service that goes through and keeps an index on every file in your computer. This is so if you search for a file you can get the results a few seconds faster than if it had to search the drive for it.

I have seen this service choke an XP Dell to a stop.

Right click on the hard drive and get properties. Uncheck the bottom box in reference to index service. Select all folders on the next screen and apply.

This should help.


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by cp7212 In reply to Slowed Down Pentium 400

You didn't mention how full your taskbar is. Are there a lot of icons by your clock? If you go to Start > Run > msconfig > advanced tab > uncheck all of the boxes that you don't need to run upon startup. Never uncheck systray or explorer, these are needed to run Windows. Sometimes, a power profile will be added twice, when it only needs to load once....and the list that the one user added is a good list to check also. These can be referenced to see if they run upon startup. If I find something I don't know what it may be, I google it at Good luck.

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