Even if it's similar to Windows command-line, you are still in a POSIX system, and Cygwin use /cygdrive/ for all the drive letters.
So for file:///C:/ you should use file:///cygdrive/c/ On 2016-07-04 at 01:51, Gene Pavlovsky wrote: > cygstart‘s manpage says it’s similar to the Windows command-line start > command. > It is indeed able to open http://example.com in the default browser. > However, cygstart file:///C:/ results in an error message: > Unable to start 'C:\cygwin\c\': The specified file was not found. > The Windows start command opens file:///C:/ links in the default > browser without a hitch. > > -- > Problem reports: http://cygwin.com/problems.html > FAQ: http://cygwin.com/faq/ > Documentation: http://cygwin.com/docs.html > Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple > -- Juan Miguel Navarro Martínez GPG Keyfingerprint: 5A91 90D4 CF27 9D52 D62A BC58 88E2 947F 9BC6 B3CF -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple