Sunday night IS the regular maitenance window for CP.
Unfortunately, I never use Light Packet, so I can't give you an answer on that.
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"To be nobody-but-yourself -- in a world which is doing its best, night and day, to make you everybody else -- means to fight the hardest battle which any human being can ever fight; and never stop fighting." -- e.e. cummings
Imagination will often carry us to worlds that never were. But without it we go nowhere. Carl Sagan