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Troubleshooting Exceptions: System.UnauthorizedAccessException

  • Article

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

Tasks

How to: Use the Exception Assistant

How to: Create a File in Visual Basic

How to: Create a Registry Key and Set Its Values in Visual Basic

Reference

UnauthorizedAccessException