Windows Vista suffers from a bug that causes many machines to stall while deleting, copying and moving files, a flaw that has provoked consternation in online forums. "I've seen this bug in action, and trust me, it's as if you're copying over a 64k link using only 256mb of RAM," one Reg reader complained. "To add to the problem, you can't cancel or anything." According to a thread on Microsoft's TechNet site, Microsoft has issued a hotfix for the problem, but it has failed to quell the outrage. For one thing, individual users must get Microsoft's approval before the fix...