We discuss what you can do if you see the Unsupported 16-bit Application error on Windows 11/10 PC, after knowing why you see this message.

Fix Camera App 0xa00f4240 0x800703e3, 0x80070057, 0x80131502, 0x80004003, etc. errors in Windows 11/10 PC by following these suggestions.

This would cause the update to WinRE (Windows Recovery Environment) to fail. Microsoft has yet to solve the issue, but they’ve at least provided some self-help instructions.