Publisher cannot be verified

I'm using Visual Studio 2005,

How do I get rid of "Publisher cannot be verified" when someone installes something I've written?

Publisher comes up as "Unknown Publisher" too, I would have thought that (using a test certificate) it would have came up with the details from the test cert?

Is it just a case of coughing up and buying a cert?  If so, is there a specific type I need to get (and where from).
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DarthModConnect With a Mentor Commented:
Closed, 35 points refunded.
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dpwdcAuthor Commented:
Its more stopping for an application I have written that I'm having a problem with, rather than on my machine.

Progress I've made is.  I have a certificate that I've installed, and when I install on my machine it comes up with the right publisher etc and says "do you wish to install" with a big great tick (WOO HOO)...  however... this ONLY works on the machine that the application was made on, all other machines STILL say "Unknown publisher"?  Any ideas?
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dpwdcAuthor Commented:
Think I have it.  The certificate MUST come from one of microsofts approved certificate authorities (sensible really - but then again anyone with $200 can get a certificate!).
Sounds like you have to install the cert on your machine via your browser.
dpwdcAuthor Commented:
No it was simply that the certificate had to be from a microsoft approved authority,

You CAN use free ones, but you have to install the root cert from that authority, and that would be alot more hastle (for the end user) than the security alert!
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