The issue has resolved with that update
https://launchpad.net/ubuntu/+source/ubuntu-system-settings/0.3+14.10.20140626.1-0ubuntu1
** Changed in: ubuntu-system-settings (Ubuntu)
Status: Confirmed = Fix Released
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** Changed in: ubuntu-system-settings (Ubuntu)
Importance: Undecided = High
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https://bugs.launchpad.net/bugs/1287236
Title:
No way to connect to hidden Wi-Fi network
To manage
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: ubuntu-system-settings (Ubuntu)
Status: New = Confirmed
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