Today, on official servers, updated versions of Mozilla Firefox 2.0.0.1 and 1.5.0.9 have become available for download. Among the major changes are improved compatibility with Windows Vista, increased stability and fixes of recent errors that could allow attackers to run malware, intercept information from the password manager, or simply suspend the browser.
The new version is already available through the built-in update system (Help -> Check for updates, about 800Kb). Complete installation files can be downloaded from the following links: