Oracle XE 11g Installation - "Oracle XE service instance failed"

http://rambabu4u.blogspot.com/2011/12/oracle-xe-11g-installation-oracle-xe.html

Unable tp Download Extensions for JDeveloper 11.1.1.7.1

While I was trying to download the extensions for SOA Composite and BPM Editor, I was getting error. The work around was to add ’*’ to the Exceptions for the proxy.