unauthorizedaccessexcepti

Attempted to perform an unauthorized operation

Now I use the following code: Public Function SetACL(ByVal filename As String, ByVal account As String, ByVal sender As Object, ByVal e As System.EventArgs) As Boolean Try Dim rule As FileSystemAccessRule = New FileSystemAccessRule(account, FileSystemRights.Write, AccessControlType.Allow) Dim fp As Pe...

UnauthorizedAccessException vs SecurityException

The MSDN constructor for a FileStream says that it may throw either an UnauthorizedAccessException or a SecurityException. Here's what MSDN says about these exceptions. UnauthorizedAccessException: The exception that is thrown when the operating system denies access because of an I/O error or a specific type of security error. Security...

WCF is throwing UnauthorizedAccessExceptyion after upgrade to .NET 4.0

I have a pretty simple client-server ASP.NET app; communication is via WCF service. All worked perferctly inVS 2008, now I upgraded to VS2010 and every time the client code is trying to instantiate a channel to the server: new ChannelFactory<IMemberService>("Members.MemberService").CreateChannel(); it throws an UnauthorizedAccessExcep...

UnauthorizedAccessException when running desktop application from shared folder

I created a desktop application using VS 2008. When I run it locally, all works well. I shared my output folder (WITHOUT allowing network users to change my files) and ran my exe from another Vista computer on our intranet. When running the shared exe, I receive "System.UnauthorizedAccessException" when trying to read a file. How ca...