Fresh install but still getting errors, any help PLEASE

I am using OC version 1.5.1 and thing were going fine until I decided to switch over to another server, that didn't work out well, so I decided to move it back to my original server.

I'm a novice (clearly) at this but the more I work with it the better I WAS getting with it. After many hours of frustration I decided to reinstall and download a fresh copy of my current version.

Installation went fine until I clicked to view my store and my admin panel.

Here are the errors for my store (store loads, just error showing in header):
Warning: session_start() [function.session-start]: open(/tmp/sess_0ec7db93f49bfef20ec529c5978cbba2, O_RDWR) failed: No such file or directory (2) in /store/system/library/session.php on line 11Warning: session_start() [function.session-start]: Cannot send session cookie - headers already sent by (output started at /store/index.php:100) in /store/system/library/session.php on line 11Warning: session_start() [function.session-start]: Cannot send session cache limiter - headers already sent (output started at /store/index.php:100) in /store/system/library/session.php on line 11Warning: Cannot modify header information - headers already sent by (output started at /store/index.php:100) in /store/index.php on line 175Warning: Cannot modify header information - headers already sent by (output started at /store/index.php:100) in /store/system/library/currency.php on line 45

error for admin panel (does not load, only shows this error):

Warning: session_start() [function.session-start]: open(/tmp/sess_b452bec0a34748403c4ce9409c4ba228, O_RDWR) failed: No such file or directory (2) in /store/system/library/session.php on line 11Warning: session_start() [function.session-start]: Cannot send session cookie - headers already sent by (output started at /store/admin/index.php:79) in /store/system/library/session.php on line 11Warning: session_start() [function.session-start]: Cannot send session cache limiter - headers already sent (output started at /store/admin/index.php:79) in /store/system/library/session.php on line 11Warning: Cannot modify header information - headers already sent by (output started at /store/admin/index.php:79) in /store/system/library/currency.php on line 45Error: Could not load controller common/header!

Can someone, anyone help me out here? Is there a file I should be deleting? Or is this an error within my database or config file?

TIA

Bumping for any help. I'm googling and trying and can't get rid of this error or figure out what I did.

http://www.programmingfacts.com/solved- ... eady-sent/

Generally speaking, the above solutions apply IF you have the proper permissions set on your /tmp directory. The typical reply in these forums is 'contact your host'. Well contact your host and give them this error, Warning: session_start() [function.session-start]: open(/tmp/sess_0ec7db93f49bfef20ec529c5978cbba2, O_RDWR)" They will probably figure it out.

hi - if you have access to the tmp folder (in the root of the server) them just delete that file. Its a temp file that is used for sessions. It just hasnt been deleted when the person left the session.