To fix WordPress Unpacking the package . The quick fix you would think would be to chmod 777 wp-content/plugins, HOWEVER you must do the same to wp-content/upgrade as well. This will fix your problem.
Code:
[TABLE]
[TR]
[TD]1[/TD]
[TD]chmod 777 wp-content/plugins[/TD]
[/TR]
[/TABLE]
[TABLE]
[TR]
[TD]2[/TD]
[TD]chmod 777 wpcontent/upgrade[/TD]
[/TR]
[/TABLE]