Cygwin Error Could Not Download Mirror Sites List 2021 May 2026

If the list simply won't download, you can bypass the list fetching by adding a known reliable mirror manually. Cygwin no available download site - Stack Overflow

The "Could not download mirror sites list" error in Cygwin typically occurs when the setup executable (setup-x86_64.exe) cannot connect to the primary Cygwin server to fetch the latest list of official download mirrors. This prevents you from selecting a source for the packages you want to install or update. Core Reasons for the Error cygwin error could not download mirror sites list

If you are in a corporate environment, the "Direct Connection" default might not work. If the list simply won't download, you can

In the Cygwin Setup wizard, proceed to the screen. If the list simply won't download