Introduction
In November of 1985, Microsoft released Windows 1.0. And thus began Windows' 22-year reign (to date) as the world's most popular, most irritating computing platform. Which Windows features have been responsible for the most angst? We tallied this list of offenders with the advice of PC World editors and contributors .Our roster includes several kinds of worsts: Just plain bad ideas, good ideas gone awry, and a few ideas that started out terrible but eventually became surprisingly decent. Click on the images above to see 'em all, starting with number 20.




20. DriveSpace
In a day in which half a terabyte of hard disk costs $99, it's easy to forget that megabytes were once a rare and precious commodity, and disk-compression utilities felt slightly miraculous. Microsoft's DoubleSpace was introduced with DOS 6.0 in 1993; after a patent suit by competitor Stac Electronics, it was replaced with a non-infringing twin, [Only Registered and Activated Users Can See Links. Click Here To Register...], which was part of Windows 95. DriveSpace did indeed squeeze about twice the stuff onto a disk, but the risk was immense, since data recovery was much tougher if something went awry. Windows XP was the first version without DriveSpace support of any sort--by then, nobody noticed or cared.



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