Transfer the downloaded folder to the target machine via USB.
Cygwin no available download site - Stack Overflow
Here is a comprehensive guide to resolving this error and getting your Linux-like environment up and running on Windows. 1. Update Your Cygwin Setup Executable cygwin could not download mirror site list
Try switching to "Direct Connection" if you are on a home network.
The most frequent cause of this error is using an old version of setup-x86.exe or setup-x86_64.exe . Older versions may attempt to connect via protocols or URLs that are no longer supported by the official Cygwin servers . Transfer the downloaded folder to the target machine via USB
If the setup crashes when you paste an FTP link directly, some users suggest creating a desktop shortcut to the FTP folder and using its properties to get a stabilized URL for the "User URL" box. 5. Check for TLS and Certificate Issues
If you are trying to install or update Cygwin and hit the error message you aren't alone. This common issue usually stems from network restrictions, outdated installer versions, or SSL/TLS handshake failures. Update Your Cygwin Setup Executable Try switching to
If you are still using the ancient setup.exe (without the x86 suffix), it is likely obsolete and will not work with modern mirrors. 2. Manually Add a Mirror URL