C++ Windows 7 socket problem

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C++

Win7

Hi.
I'm trying to use socket(...) function and get WSAEACCES=Permission denied
error right away.
Also, I run my VS under administrator login, however the following code says I am NOT an admin:

--------------------------------------------------

SID_IDENTIFIER_AUTHORITY NtAuthority = SECURITY_NT_AUTHORITY;
PSID AdministratorsGroup;
// Initialize SID.
if( !AllocateAndInitializeSid( &NtAuthority,
2,
SECURITY_BUILTIN_DOMAIN_RID,
DOMAIN_ALIAS_RID_ADMINS,
0, 0, 0, 0, 0, 0,
&AdministratorsGroup))
{
AfxMessageBox("Initializing SID Failed.");

return;
}
BOOL IsInAdminGroup = FALSE;
if( !CheckTokenMembership( NULL,
AdministratorsGroup,
&IsInAdminGroup ))
{
// Error occurred.
IsInAdminGroup = FALSE;
}
// Free SID and return.
FreeSid(AdministratorsGroup);

------------------------------------
IsInAdminGroup is FALSE.

Function GetUserName(...) returns my login.

Any suggestions? (Worked on XP)