Fix Drupal Errors and Update Drupal 7.14 to 7.19

IN PROGRESS
Bids
11
Avg Bid (USD)
$74
Project Budget (USD)
$30 - $250

Project Description:
1) The site's user photos disappear

Not sure if it's on user_save or during login.

Additionally, when I re added the profile image I received the following error:

Notice: Undefined index: pass in user_validate_current_pass() (line 1194 of /httpdocs/modules/user/user.module).

2) When visiting the site, it double loads/refreshes

3) Update Drupal from 7.14 to 7.19

4) When logging into the site manually via /user/login

I received:

Error
Warning: array_flip(): Can only flip STRING and INTEGER values! in DrupalDefaultEntityController->load() (line 178 of /httpdocs/includes/entity.inc).
Notice: Trying to get property of non-object in file_field_presave() (line 220 of /httpdocs/modules/file/file.field.inc).
Notice: Undefined property: stdClass::$uri in file_save() (line 570 of /httpdocs/includes/file.inc).
PDOException: SQLSTATE[23000]: Integrity constraint violation: 1062 Duplicate entry '' for key 'uri': INSERT INTO {file_managed} (filesize, status, timestamp) VALUES (:db_insert_placeholder_0, :db_insert_placeholder_1, :db_insert_placeholder_2); Array ( [:db_insert_placeholder_0] => 0 [:db_insert_placeholder_1] => 1 [:db_insert_placeholder_2] => 1360016185 ) in drupal_write_record() (line 7036 of /httpdocs/includes/common.inc).
The website encountered an unexpected error. Please try again later.

Skills required:
Drupal, MySQL, PHP
About the employer:
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