Wordpress auto update plugin error

[MediaStar]

[SLIDE]http://imageditings.com/image/321774-Capture.png[/SLIDE]

Hello, actually whats problem for this error?

 

[CloudShadow]

Make sure you have set the appropriate write/read settings of your wp-content folder.

 

[MediaStar]

upgrade folder set to 777 but still same

 

[gopinath112]

Upgrade folder must be set to 755 only

 

[hugo04]

the update folder must be chmod to 775