Original sentence: Microsoft releases security patches through its Windows Update service approximately once a month, although critical updates are made available at shorter intervals.Security has been a major issue with Windows family products for many years
Edited sentence: Contrary to its plush user interface, security has been a major issue with Windows family products for many years.However, now Microsoft releases extremely large security patches through its Windows Update service approximately once a month, although critical updates are made available at shorter intervals.However, the Windows code seems to be flawed from the ground up.In the past, Microsoft used to release small patches on a daily basis.Such an interface caused Windows to be bloated, taking up a large amount of processing power for its interface.The Longhorn project is said to incorperate permissions, like Linux and OS X have been using for years.The Windows OS seems to be so badly made that it is easy to hack.This is a great contrast to Macintosh OS X, which has never had a major worm