Windows Vista of January 2009, it had been announced that Vista usage had surpassed Microsoft's pre-launch two-year-out expectations of achieving 200 million users. At the release of Windows 7 (October 2009), Windows Vista (with approximately 400 million Internet users) was the second most widely used operating system on the Internet with an approximately 19% market share, the most widely used being Windows XP with an approximately 63% market share. In May 2010, Windows Vista's market share had an estimated range from 15% to 26%. On October 22, 2010, Microsoft ceased sales of retail copies of Windows Vista, and the OEM sales for
Management features new to Windows Vista Startup Repair checks for corruption of operating system and other components, such as Boot Configuration Data, disk and file system metadata, the Master Boot Record, and the Windows Registry. Microsoft has stated that the utility is intended to repair over eighty percent of issues. "Package Manager", part of the Windows Vista servicing stack, replaces the previous "Package Installer" (codice_1) and "Update Installer" (codice_2). Microsoft delivers updates for Windows Vista as files and resources only. Package Manager, Windows Update, and the Control Panel item to turn Windows features on and off, all use the Windows Vista servicing stack. Package Manager can