Title: Plugin does not have a valid header?
Last modified: August 22, 2016

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# Plugin does not have a valid header?

 *  Resolved [chickatysplit](https://wordpress.org/support/users/chickatysplit/)
 * (@chickatysplit)
 * [11 years, 5 months ago](https://wordpress.org/support/topic/plugin-does-not-have-a-valid-header-10/)
 * Hi,
    when I try to activate your plugin it fails and says “plugin does not have
   a valid header”
 * [https://wordpress.org/plugins/uji-countdown/](https://wordpress.org/plugins/uji-countdown/)

Viewing 4 replies - 1 through 4 (of 4 total)

 *  [Nick Sarro](https://wordpress.org/support/users/nicksarr1/)
 * (@nicksarr1)
 * [11 years, 5 months ago](https://wordpress.org/support/topic/plugin-does-not-have-a-valid-header-10/#post-5569132)
 * I got the same issue. Just went back to plugins and activated again and it worked.
 *  [dandylyon59](https://wordpress.org/support/users/dandylyon59/)
 * (@dandylyon59)
 * [11 years, 4 months ago](https://wordpress.org/support/topic/plugin-does-not-have-a-valid-header-10/#post-5569210)
 * I got the same issue, tried to activate a few times and eventually it worked.
 *  Plugin Author [Activity Track](https://wordpress.org/support/users/ujimoto/)
 * (@ujimoto)
 * [11 years, 3 months ago](https://wordpress.org/support/topic/plugin-does-not-have-a-valid-header-10/#post-5569227)
 * Finally fixed in version 2.0.3!
 *  [nmatias](https://wordpress.org/support/users/nmatias/)
 * (@nmatias)
 * [11 years, 3 months ago](https://wordpress.org/support/topic/plugin-does-not-have-a-valid-header-10/#post-5569228)
 * The problem continue for me we the Uji countdown 2.0.3 and wordpress 4.1. What
   can i do? Thanks
 * Sorry the plugin works. The only problem is activate the plugin after the install.
   I go to plugins section after install it and do the activation in the plugin 
   page an works.
 * Thanks,

Viewing 4 replies - 1 through 4 (of 4 total)

The topic ‘Plugin does not have a valid header?’ is closed to new replies.

 * ![](https://ps.w.org/uji-countdown/assets/icon-256x256.jpg?rev=1074703)
 * [Uji Countdown](https://wordpress.org/plugins/uji-countdown/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/uji-countdown/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/uji-countdown/)
 * [Active Topics](https://wordpress.org/support/plugin/uji-countdown/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/uji-countdown/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/uji-countdown/reviews/)

 * 4 replies
 * 5 participants
 * Last reply from: [nmatias](https://wordpress.org/support/users/nmatias/)
 * Last activity: [11 years, 3 months ago](https://wordpress.org/support/topic/plugin-does-not-have-a-valid-header-10/#post-5569228)
 * Status: resolved