If you are seeing the following error:
Error: uncaught exception: [Exception... "Component returned failure code: 0x8007000e (NS_ERROR_OUT_OF_MEMORY) [nsIDocShellHistory.useGlobalHistory]" nsresult: "0x8007000e (NS_ERROR_OUT_OF_MEMORY)" location: "JS frame :: chrome://browser/content/browser.js :: prepareForStartup :: line 764" data: no]
Symptoms: When you start firefox, it doesn't take you to your home page. Your home button doesn't work or takes you to a different site.
Try the following: