Greetings --
That particular Dell "technician" is an idiot. His outright
refusal to offer any explanation or technical details is evidence
enough. I'd have asked to speak with his supervisor, myself, if faced
with such a refusal.
That said:
Due to the nearly infinite number of possible combinations of
hardware, device drivers, and applications on any given PC, it's
impossible to guarantee that all patches will be 100% harmless. In a
very small number of cases, patches and hotfixes can
cause conflicts or other problems. Caution is advised.
All "Critical" updates should be installed. These address serious
issues that can affect a large number of computers. There will be
only rare occasions when a Critical update will not apply. Of special
importance are those that address security vulnerabilities. If people
had installed the available critical updates in July, the Blaster and
Welchia worms would not have spread throughout the Internet the
following month. In the unlikely event that problems do develop, you
can always use the Control Panel's Add/Remove Programs applet or a
System Restore Point to uninstall the troublesome hotfix.
For the "Recommended" updates, simply study the information
provided to see if these updates apply in your specific situation. If
they don't apply, or you're not experiencing the problem(s) addressed,
you needn't install them. For instance, I have no use for WinXP's
MovieMaker, so I ignore any updates to it. Again, in the unlikely
event that problems do develop, you can always use the Control Panel's
Add/Remove Programs applet or a System Restore Point to uninstall the
troublesome hotfix.
In general, though, (and this might be what the Dell Tech was
thinking of, but he should have said so, if it was) I've found it best
not to download the "Driver" updates from Windows Update, unless
they're for a hardware device originally manufactured by Microsoft.
Device drivers provided by each component's manufacturer's web site
are likely to perform better and offer more features than will the
watered-down, "generic" drivers that those manufacturers provide to
Microsoft for distribution via Windows Update.
Bruce Chambers
--
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