How do I find all installed versions of cygwin? - How do I find all installed versions of cygwin? Description To find all versions of cygwin installed do the following from the "Nios® II Command Shell": [SOPC Builder]$ cygcheck -s -v -r > cygcheck.out [SOPC Builder]$ grep cygwin1.dll cygcheck.out This will display all paths that have any reference to cygwin1.dll and will show the versions of cygwin1.dll installed on the machine. Related Articles Why do I get the error: proc magic mismatch detected? Custom Fields values: ['novalue'] Troubleshooting novalue False ['novalue'] ['novalue'] novalue novalue ['Programmable Logic Devices'] ['novalue'] ['novalue'] ['novalue']