Serial Numer not working??

Question

I don't know where else to get advice soon.
I bought CS3 Wed Standard, installed it and entered the
serial number and all worked fine.... for about 3 weeks and then
yesterday I was working in DW and closed it and then a while later
tried to open it and was faced with the screen asking for the
serial number, which when I enter it says is invalid!!
I tried to uninstall but got an error message. Tried to
re-install and also got an error message - telling me to use the
original disk which I was using.
I also tried to use it in Demo mode but got another message
saying that there is a problem with Demo mode.
Please, and ideas. I have literally spent all day today
trying to get help from Adobe but don't seem to get anywhere. Each
link takes me somewhere and I end up eventually back where I
started.

Answer 1

Is there a possibility that you are using a Mac S/N on a PC,
or vice-versa?
How about using a Suite S/N on a standalone?
Murray --- ICQ 71997575
Adobe Community Expert
(If you *MUST* email me, don't LAUGH when you do so!)
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"Romuba" <[email protected]> wrote in
message
news:fqrju2$k52$[email protected]..
>I am absolutely sure - When I originally installed the
software I copied
>the
> nmber from the email I received and pasted it into the
boxes on the
> initial
> screen and it worked. Now when I do the same it shows
that the number is
> incorrect!
>
> What I want to know is why does this software suddenly
require the serial
> number? No other software I know does.
>