ConnectALL Resources Frequently Asked Questions Installation Current: ConnectALL core service fails to start in Windows with error message "Could not find or load main class org.codehaus.groovy.tools.GroovyStarter" ConnectALL core service fails to start in Windows with error message "Could not find or load main class org.codehaus.groovy.tools.GroovyStarter" Add "C:\Windows\System32" to the "PATH" of "system variables" and start the ConnectALL core service. ×