: It allows Photoshop to embed information like your name, copyright, keywords, and editing history directly into a file or a "sidecar" file.

If you are encountering this specific error, follow these troubleshooting steps:

This issue typically occurs when a user tries to access the dialog (Metadata) in older versions of Photoshop. The "STI" likely refers to a "Standard Toolkit Installer" or similar metadata framework component that fails to initialize or is missing from the application's directory.