“From Disasters to Duds: The Failed Products That Tanked Giants’ Fortunes”

As a follow-up to Windows XP, Microsoft released its new operating system, Windows Vista, in 2007. Both consumers and IT professionals panned the product. Vista was so inefficient that it didn’t support most existing software, including anti-malware programs.
Vista was also far too slow. While XP had 35 million lines of code, Vista had 50 million, which didn’t fare well for most computers. Apple took advantage of Vista’s failure and used it to boost their own products.