System Version: 0.20.0 Platform: Win7 Firefox: FF 59 Selenium: 3.11.0 the same behavior was when using: Version: 0.19.1 Platform: Win7 Firefox: 58.0.2 Selenium: 3.9.1 Testcase in properties file: b...

Unable to recognize platform capabilities VISTA or WIN10, but works with WINDOWS only · Issue #1218 · mozilla/geckodriver