I manually installed everything and didn't run into any problems. The guvnor and designer works fine for me. Haven't tried the jbpm console yet.
But if it server says it didn't start on time try adding this to the configuration xml file.
<subsystem xmlns="urn:jboss:domain:deployment-scanner:1.0">
<deployment-scanner name="default" path="deployments" scan-enabled="true" scan-interval="5000" relative-to="jboss.server.base.dir" deployment-timeout="600"/>
Set the deployment timeout to some high number - it's in seconds.
I noticed that the deployment of the console does take a while along with the other pieces.