I've covered this in the GitHub thread http://support.github.com/discussions/accounts/1422-ssh-keygenexe-has-stopped-working-on-windows-vista
Resolved. Thanks. -- You received this message because you are subscribed to the Google Groups "GitHub" group. To post to this group, send email to github@googlegroups.com. To unsubscribe from this group, send email to github+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/github?hl=en.