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I have a question here and hope you guys can help me with that. Couldn't find the exact answer from search and I am not a coder myself. I was given the instruction (to change plugin name) by my previous coder before he handed the plugin to me. He said if I want to change the plugin name, all I need to to is go to popups.php and change the first line, which is Plugin Name: xxx.

So I extracted the folder, change the name and and zipped the whole folder again. When I tried to install it through wordpress, it says installation failed. Did I miss out any step here?

Here is the error message:

Unpacking the package…

Installing the plugin…

The package could not be installed. No valid plugins were found.

Plugin install failed.

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You should upload the plugin as-is, and then edit that file through the Plugins > Editor admin menu – bungeshea Jan 1 at 7:29
Also, can you post the content of the file here? – bungeshea Jan 1 at 7:32
Also see: stackoverflow.com/q/10563782/1042798 – bungeshea Jan 1 at 7:36
Are you in a Mac? I've seen this happening when zipping with the system app... – brasofilo Jan 1 at 8:33

1 Answer

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This error comes when the plugin header is corrupt. Plugin Name: xxx should not be the first line on the file, instead the first few lines should look like this:

<?php
/*
Plugin Name: xxx

... more text here ...

*/

... plugin code here ...
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