The Extensions are different on each installation: Both have DownThemAll
XP has Microsoft .net; Java Quickstarter, AVG safe search and Adobe DLM Ubuntu has the Met Office and the Ubuntu extensions I doubt that these differences could account for 622MB -- massive use of memory under ubuntu compared to XP https://bugs.launchpad.net/bugs/436555 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs