Olympus iB is freeware software developed by Olympus America which helps you to organize your photos. If you want to uninstall it, you can use the uninstaller from the installation folder or Add or Remove Programs feature:
Go to Start > Control Panel > Programs > Programs and Features, select the Olympus iB application and click on Uninstall.
If this doesn't work, you can use Revo Uninstaller. Even if it can't uninstall the application normally, it will force it to uninstall by wiping out all traces of its presence from the system.