Find quick answers to common wordpress problems ... I f you have updated your WordPress to version you may have noticed that there is an admin bar that appears ...

http://wordpresserror.com/

I had the same issue although it was after I transferred my blog to a new hosting provider. Try this-Go to your Settings tab and then to Miscellaneous Settings.

http://wordpress.org/support/topic/http-error-on-image-upload-still

AddType x-mapp-php5 .php AddHandler x-mapp-php5 .php. adding this to my .htaccess worked!!! I am on 1&1 by the way. Have not done the CHMOD not sure what files need ...

http://wordpress.org/support/topic/error-500-505