If you follow some basic principles, it not that hard to keep most PCs running smoothly. Below are some routines you should be following like clockwork. On top of these, it mostly a question of being nice to your hardware. A marathon five hour in an unventilated room is probably a bad idea. Some of these tips will also apply to Macs. For the purposes of clarity and brevity, though, Im going to concentrate on Windows. All apps rely on temporary file caches on your hard drive, since your RAM is...