Microsoft's latest operating system Windows Vista was launched to business on November 30, 2006 and to the general public on January 30, 2007. After the operating system hit the shelves, the first reactions pointed out shortcomings in application, device and hardware compatibility. The end of July is synonymous with six months of availability for Windows Vista, and Microsoft acknowledged that the operating system was not ready for the world back in January. However, the Redmond company twisted the confirmation so that Vista wouldn't be at fault.
"Compatibility is now at critical mass with Windows Vista...
http://news.softpedia.com/news/Micro...07-59681.shtml