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upgraded to 14.04 lts from 12.04 lts.

issue is install / remove button is disabled in software center so can't install or remove software from software center.

how to fix it?

  • Open terminal and enter "sudo apt-get update " without quotes. – Sudheer Dec 08 '14 at 18:19
  • In Software center, you can't click the install button because it seems to be inactive/disabled. Go to the top left and find file -> install. – BDRSuite Mar 16 '15 at 20:15

3 Answers3

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Possible solutions: 1.Try reinstalling software center (before reinstalling be sure to update the source list) sudo apt-get purge software-center sudo apt-get update sudo apt-get install software-center

  1. If reinstalling doesn't help look at this one - Install button in Software Center is disabled
Muzaffar
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Open a terminal (Ctrl+Alt+T) and type sudo software-center. The Software Center now launched will still have the install button disabled, but the File/Intall menu will be enabled. My system: 14.04 LTS (latest updates).

Eric Carvalho
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Possible duplicated answer.As you said it is upgraded from 12.04 it should be a bug: Install button in Software Center is disabled .

E_Angel
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