Title: [Plugin: Nice Tooltips] Activation error: Does not have a valid header
Last modified: August 19, 2016

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# [Plugin: Nice Tooltips] Activation error: Does not have a valid header

 *  [Indell](https://wordpress.org/support/users/indell/)
 * (@indell)
 * [15 years, 10 months ago](https://wordpress.org/support/topic/plugin-nice-tooltips-activation-error-does-not-have-a-valid-header/)
 * When I clicked Activate, I got this error message that says the plugin does not
   have a valid header. Now the plugin details page says the plugin is installed
   in to my WP but the plugin is not visible in the plugin list.
 * What to do now?
 * [http://wordpress.org/extend/plugins/bubble-tooltip/](http://wordpress.org/extend/plugins/bubble-tooltip/)

The topic ‘[Plugin: Nice Tooltips] Activation error: Does not have a valid header’
is closed to new replies.

 * ![](https://s.w.org/plugins/geopattern-icon/bubble-tooltip.svg)
 * [Nice Tooltips](https://wordpress.org/plugins/bubble-tooltip/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/bubble-tooltip/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/bubble-tooltip/)
 * [Active Topics](https://wordpress.org/support/plugin/bubble-tooltip/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/bubble-tooltip/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/bubble-tooltip/reviews/)

 * 0 replies
 * 1 participant
 * Last reply from: [Indell](https://wordpress.org/support/users/indell/)
 * Last activity: [15 years, 10 months ago](https://wordpress.org/support/topic/plugin-nice-tooltips-activation-error-does-not-have-a-valid-header/)
 * Status: not resolved