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In a bid to improve Vista's fortunes, Microsoft's team in San Francisco rounded up a bunch of XP users who had a negative perception of Vista, according to a report on CNet.com.

The users were shown a video of a new Microsoft OS, called Windows Mojave, and were asked for their impressions of the new software.

More than 90% of

It was then revealed that the video they had been watching was not a new operating system at all, but Windows Vista.

The dubious research will help boost Microsoft's long-held view that there's nothing fundamentally wrong with Vista, other than its poor perception among users. That perception hasn't been helped by Apple's infamous 'I'm a Mac, I'm a PC' adverts, which infuriated Bill Gates.

"I don't know why [Apple is] acting like it's superior," Gates was quoted as saying last year. "I don't even get it. What is it trying to say? Does honesty matter in these things, or if you're really cool, that means you get to be a lying person whenever you feel like it? There's not even the slightest shred of truth to it."

Microsoft now plans a huge marketing push for Windows Vista, in a bid to overturn Apple's marketing. "We have a huge perception opportunity," Windows unit business chief Bill Veghte told CNet. "We are going to try a bunch of stuff."