Hi Don,

Actually you can change the registry a lot easier than you think. You 
can have a file that has a ".reg" extension. These are commands that 
modify the registry. The only feedback that you will get is a dialog box 
stating that you are about to modify the registry and the usual "OK" and 
"Cancel" buttons.

Certainly an errant application program (perhaps a virus) can also make 
Windows API calls to modify the registry, and depending on the code, may 
not give any feedback that it is doing so.

Russ Poffenberger
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On 2/24/2010 9:02 AM, Don Penlington wrote:
> Mikee wrote:
>> I use Windows XP SP3. I think I accidentally changed a registry. I do 
>> not understand this but I have a feeling it isn't a good thing. >>
>
>
> You can't change the registry inadvertently, to do so you have to open 
> regedit and you wouldn't do that by accident. At worst, you may simply 
> have altered some settings which are then stored in the registry, but 
> this is usually no big deal, even if you got it a bit wrong.
>

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