"Continue button" grayed out in "installation type" screen during 13.04 installation

system-installation live-usb 13.04

Solution 1:

I clicked "Back" and then "Continue" again, and now it works. Go figure...

[Update based on comments: If this doesn't work, try it again and/or wait 15 minutes.]

Solution 2:

On Lubuntu 16.10, for me, not selecting "Download updates before install" solved the problem.

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