I create a password-protected self-extracting archive using WinRAR. When I open the archive the executable asks me for a password. How can I change "Enter password for the encrypted file." to a custom prompt?
I don't think it is possible: most parts of the SFX archives can be customized, but for this part there is simply no command or interface available to change it. You can use the
If you do want password protection, you would I guess need some kind of installer creation software. With e.g. the Nullsoft Scriptable Install System you can configure it similarly to an SFX archive, plus it allows for custom user prompts with which you can mimic the password protection.