In theory no, but in practice yes.
When I first built my PC back in 2003 many operations were faster than they
are today.
But, back then I had only XP (pre-SP1) and a few programs installed, maybe 4
Gig total.
Since then I have installed many pathces, service packs, software, and have
collected many personal files. So my total is now many tens of Gigs.
Although I defrag regularrly, I am sure that files needed to run the PC are
now scattered over a much larger region of disk space.
The size of my registry has doubled, so any operation using the registry is
likely slower, and nearly everthing uses the registry.
There are more processes running in the background, since many installed
programs have "helper" applications that run 24/7. Do a single CTRL-ALT-DEL
to invoke the XP task manager, then look at the process tab. While it is
possible to disable most of these programs, that can be very dangerous,
unless you know what you are doing, since some are essential to running XP
and others might be related to your anti-virus. For more information on
services, see
http://www.majorgeeks.com/page.php?id=12
By the way, I disagree with the previous post. Something like Zone Alarm
firewall will not noticeable slow a PC.
But, be aware that some anti-virus and some spyware programs run in the
backgroup continually checking files. Those can slow the PC. I have set
Norton Anti-Virus to scan files only on acccess, not continually. I also
run a total PC scan about once a week. I also have SpyBot (free
anti-spyware) running in the background to protect against a list of
specific threats.
Search-type functions are definitely slower. A full-PC anti-virus scan is
slower. Both are related to the number/size of files on the disk.
However, the worst slowdown occurred with some XP patch within the last
year. Now every time that I boot, I have to wait over a minute for some
sort of scan. This might be part of windows update or windows genuine
advantage.
As a user you can defrag, clean cache/temp areas, remove old programs that
you no longer use, move some files off of the PC to CDs or DVDs, ask some
programs to not run 24/7, etc. But, the nature of windows and windows
programs is to grow with time, even with zero user data. Bigger is slower.
"Miriam Moore" <(E-Mail Removed)> wrote in message
news:n_eEh.18229$(E-Mail Removed)...
> Hello,
> I have a 2 GHz machine at home. Not super fast compared with modern
> machines, I suppose, but fast enough, I would've thought. I had noticed
> that it has been getting very slow over the past year. I had initially
> suspected virus or registry problems,so I reformatted the hard disk, and
> completely reinstalled everthing from scratch.
>
> I've applied all the recent XP updates, reinstalled Ofice 2003, ZoneLabs
> firewall, and Grisoft anti-virus. The PC is as slow as before, so I was
> thinking, is it possible that updates applied to XP have the side-effect
> of slowing down the entire XP installation?
>
> Curious,
> Paul
>
>
>
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