This page is specific to
Microsoft Visual Studio 2008/.NET Framework 3.5
Other versions are also available for the following:
Visual Studio Debugger
Troubleshooting Exceptions: System.UnauthorizedAccessException
An UnauthorizedAccessException exception is thrown when the operating system denies access because of an I/O error or a security error.
Associated Tips
- Make sure you have sufficient privileges to access this resource.
For more information, see Code Access Security Basics.
- If you are attempting to access a file or registry key, make sure it is not read-only.
For more information, see Requesting Permissions.
See Also