Title: Update error (plugins and core)
Last modified: August 24, 2016

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# Update error (plugins and core)

 *  [jmtucu](https://wordpress.org/support/users/jmtucu/)
 * (@jmtucu)
 * [11 years, 1 month ago](https://wordpress.org/support/topic/update-error-plugins-and-core/)
 * Hello all,
 * I’m trying to update my plugins and I’m getting this error
 *     ```
       Update WordPress
       Unpacking the update…
   
       Warning: ZipArchive::open(): Empty string as source in /mounted-storage/home139/.../wp-admin/includes/file.php on line 581
   
       Warning: unlink(): Invalid argument in /mounted-storage/home139/.../wp-admin/includes/class-wp-upgrader.php on line 278
       The package could not be installed.: PCLZIP_ERR_MISSING_FILE (-4) : Missing archive file ''
   
       Installation Failed
       ```
   
 * This is the first install, I’m using a shared hosting running Linux. The folder
   wp-content has the permissions setted in 755.
 * Any clue regarding this? I cannot re-install WordPress because I’m having the
   same error 🙁
 * Thanks in advanced!

Viewing 3 replies - 1 through 3 (of 3 total)

 *  Moderator [t-p](https://wordpress.org/support/users/t-p/)
 * (@t-p)
 * [11 years, 1 month ago](https://wordpress.org/support/topic/update-error-plugins-and-core/#post-6019921)
 * > trying to update my plugins and I’m getting this error
 * If auto updating did not work, then try manual updating of plugins:
    [https://codex.wordpress.org/Managing_Plugins#Manual_Plugin_Installation](https://codex.wordpress.org/Managing_Plugins#Manual_Plugin_Installation)
 * > I cannot re-install WordPress because
 * Not sure if I understand what you are trying to do.
    If you want to re-install
   WP, then why are you messing with plugins. Just delete everything and re-install(
   if that’s what you want).
 * To the contrary if you are trying update your installation, then try **MANUAL**
   updating. Download a fresh copy of the WordPress .zip file to your computer, 
   unzip it, and use that to copy up all files and folders EXCEPT the wp-config.
   php file and the /wp-content/ directory. You may need to delete the old copies
   of files & folder on your server before uploading the new ones. Read the [Manual Update ](http://codex.wordpress.org/Updating_WordPress#Manual_Update)
   directions first.
 *  Thread Starter [jmtucu](https://wordpress.org/support/users/jmtucu/)
 * (@jmtucu)
 * [11 years, 1 month ago](https://wordpress.org/support/topic/update-error-plugins-and-core/#post-6019948)
 * Thanks Tara for the reply.
 * I did that, I update all the plugins manually but it’s very annoying.
    Also I
   delete everything and re-installed WP but without lucky, also in my local environment
   is failing.
 * It’s weird because I’ve another WP running in the same hosting, but this one 
   is failing for some reason 🙁
 *  Moderator [t-p](https://wordpress.org/support/users/t-p/)
 * (@t-p)
 * [11 years, 1 month ago](https://wordpress.org/support/topic/update-error-plugins-and-core/#post-6019952)
 * > It’s weird because I’ve another WP running in the same hosting, but this one
   > is failing for some reason
 * You may also want to discuss this with your hosting provider

Viewing 3 replies - 1 through 3 (of 3 total)

The topic ‘Update error (plugins and core)’ is closed to new replies.

## Tags

 * [admin](https://wordpress.org/support/topic-tag/admin/)

 * In: [Fixing WordPress](https://wordpress.org/support/forum/how-to-and-troubleshooting/)
 * 3 replies
 * 2 participants
 * Last reply from: [t-p](https://wordpress.org/support/users/t-p/)
 * Last activity: [11 years, 1 month ago](https://wordpress.org/support/topic/update-error-plugins-and-core/#post-6019952)
 * Status: not resolved

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