Prefetch is already switched off, so the problem is somewhere else. It's a sort of general memory leak problem on many sites with Flash, and their number is growing. It's not just memory. Some Flash objects make K-M use 100% processor cycles, which slows down my entire computer.
So we need a general method to stop K-M from choking on Flash: http://kmeleonbrowser.org/forum/read.php?4,
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Bugs