please ask your host to disable session.auto-start in the PHP configuration
Also pls use php 5.4 it's always better to use more recent major version.
Also try using Piwik 2.0 which is more stable: [piwik.org]
Also pls use php 5.4 it's always better to use more recent major version.
Also try using Piwik 2.0 which is more stable: [piwik.org]