apt - My Ubuntu is showing the following error: signatures were invalid - Ask Ubuntu


when run sudo apt-get update, following error occurs:

e: gpg error: http://archive.ubuntugames.org ubuntugames release: following signatures invalid: nodata 1 nodata 2

not that, see big red minus sign @ top right of screen , software center not launching.

how fix error. new ubuntu...

please help!


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