AVRDUDE will only accept 3 Windows parallel port names: lpt1, lpt2, or lpt3. Each of these names corresponds to a fixed parallel port base address:
lpt1
lpt2
lpt3
On your desktop PC, lpt1 will be the most common choice. If you are using a laptop, you might have to use lpt3 instead of lpt1. Select the name of the port the corresponds to the base address of the parallel port that you want.
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