I have Windows vista Home edition in Sony Vaio .If i try to upgrade the upgrade process completes succesfully but when i restart my system after upgrade ,It gets stuck up in the boot process saying the winboot file is not present please insert Vista CD .So i have no optionother thanrestoring back to my factory settings .Can anyone help me on Upgrading my System with updates.

Hi, Before moving on, could you please let me know which update cause the problem? The issue sounds like a system files corrupt issue. I suggest you install/reinstall Windows Vista SP1 to troubleshoot the problem. Download and install Windows Vista Service Pack 1 Standalone Installer ============================================= 1. Download Windows Vista SP1 from the link: Windows Vista Service Pack 1 for Windows Vista 32-bit (Size: 434.5MB) http://download.microsoft.com/download/3/a/9/3a9b72c2-527d-4694-8a49-84c056d4c34d/Windows6.0-KB936330-X86-wave0.exe Windows Vista Service Pack 1 for Windows Vista 64-bit (Size: 726.5MB) http://download.microsoft.com/download/8/3/b/83b8c814-b000-44a4-b667-8c1f58727b8b/Windows6.0-KB936330-X64-wave0.exe 2. Please save it on the Desktop and install it directly. Does it work? Hope it helps.