how to unlock extensions [closed]

asked 2014-05-30 23:45:21 +0200

robert.mcleod.773 gravatar image

updated 2014-05-31 15:36:28 +0200

manj_k gravatar image

I have downloaded extensions in Calc, and they work. My extension manager has several exstensions that have a lock to the right of them. Are the useless?

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Closed for the following reason question is not relevant or outdated by Alex Kemp
close date 2016-02-24 11:42:55.834807