Hi flyguy,
The problem you encountered is likely due to Code Access Security
restriction of .net runtime. Every application run on .net framework will
got through code access check at begining. For exe or assembly from web
url/http, they're not in the Full Trusted code group by default, therefore,
the clr runtime will report error if code in those assemblies try accessing
some protected/restricted resources(such as local file). Here are some
reference and articles you can have look:
#Managing .NET Code Access Security (CAS) Policy (Cont.)
http://www.code-magazine.com/article.aspx?quickid=0405031&page=3
#Secure your .NET smart client apps with CAS
http://articles.techrepublic.com.com/5100-22-1049663.html
#Understanding .NET Code Access Security
http://www.codeproject.com/KB/security/UB_CAS_NET.aspx
In addition, as other members suggested, why didn't you use the click once
project in VS 2005/.NET 2.0, I think that can help make creating such smart
client application much more easier.
BTW, since this should be a typical winform/client application issue, you
can also try posting in some windows form newsgroups for more ideas.
Sincerely,
Steven Cheng
Microsoft MSDN Online Support Lead
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