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Mike said:
I had some problems with viruses & worms a while back and my
system
seems totally thrashed. I talked to a few people locally who
know
their stuff and they suggested I re-install my operating
system, but
I din't get the disk with the computer. (Great Deal! yeah
right)
You didn't say what operating system you're currently running. Is
it XP Home?
Anyway, i'm thinking of going to to XP Pro
Why? If you currently have XP Home, let me explain that XP
Professional and XP Home are exactly the same in all respects,
except that Professional has a few features (mostly related to
networking and security) missing from Home. For most (but not
all) home users, even those with a home network, these features
aren't needed, would never be used, and buying Professional
instead of Home is a waste of money.
and want to know if I need
the upgrade or the full version.
To use the Ugrade version, you have to own a previous qualifying
version, and either have it installed or, if you want to do a
clean installation of XP, have the installation CD for that
previous version. If the previous version is not installed,
you'll be prompted to insert the CD as proof of ownership.
With a Full version, you can do either an upgrade or a clean
installation, without restriction.
But be aware that there's a third type available, an OEM version,
which can do clean installations only and not upgrades. Many
people confuse those OEM versions (which come with restrictions)
with the Full version.
If you do buy XP Professional, the cheapest alternative may be to
buy the Upgrade version, and if necessary also a used copy of
Windows 98 to qualify for the upgrade.
When you say you "didn't get the disk with the computer," the OEM
you brought it from was required to give you a means of
reinstalling Windows, if necessary. Sometimes that's a hidden
partition on your hard drive, with the installation files there.
Before you buy anything, you should check with your vendor to
find out how to reinstall. No purchase may be necessary.
I think my registry has quite a few
errors and missing fragments. I'd like my machine to run like
it
used to. Any help is appreciated.
Over and above all that, before you reinstall, if I were you, I'd
post the details of your problems here and give us the
opportunity to troubleshoot it. Despite the opinions of the "few
people locally who know their stuff," a reinstallation may not be
necessary.