(an invalid address), your computer will fail to reach those servers. How to Edit Your Hosts File
If you prefer not to edit system files, you can block the connection for specific Adobe programs using the Windows Defender Firewall with Advanced Security . This allows you to create Outbound Rules that prevent specific executables (like Photoshop.exe Acrobat.exe ) from accessing the internet entirely. Adobe Hosts File Block List
Features like Firefly, Generative Fill, and Generative Expand require cloud computing and will return errors. (an invalid address), your computer will fail to
Press Ctrl + O to write the changes, hit Enter to confirm the filename, and press Ctrl + X to exit the editor. (an invalid address)