Ubuntu's major objective, at this point, should be to continue to ensure that users won't have any such problems. The operating system has always been targeted towards desktop users, and has reaped great popularity as a result.
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If a user purchases a Windows machine, has problems, and is forced to call technical support, their feeling will probably resemble resignationwhat else could be done? However, if the same user runs Ubuntu and has problems, he has alternativeshe could go back to Windows and never touch Linux again.