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NO-IE Upgrade Reminder Widget
The plugin does not have a valid header. (1 post)

  1. No longer in use
    Member
    Posted 4 years ago #

    Displays message 'The plugin does not have a valid header.' after attempting to activate. WordPress Plugin Add-In browser says it's installed but it doesn't show in my installed plugin list.

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  • Started 4 years ago by No longer in use
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  • WordPress version: 3.1.2