Which windows operating system do you think is the worst operating system ever made?

VISTA & windows8

If it is Windows side, Its definitely VISTA.

Windows Vista is the worst ever ,Why??

1-      a lot of compatibility Issues With Hardware Even the Modern Ones specially with laptops and Tablet PCs .

2-      a lot of Compatibility Issues With old and Even XP compatible Software which got its way through Windows7 and lately Windows8

3-      Windows Vista have a lot of Security Leaks .

Win Vista & Millenium

It is not true dear, Every Operating System is made with best effort in that time. every OSs is best in it's own period as the time passes the developer find loop holes and it weakness, according to that os developer made patches and Service pack and if required it developed new OS free from previous Bugs / Drawback and also added some new features which was not in old OS

Vista and Windows8 ouch..

windows VISTA

Microsoft Vista is worst. Windows8 is not user friendly

Windows vista is the worst operating system and Microsoft finally admitted that vista was a disaster

Win95

Win Millenium

Win Vista

Win8

Vista