Error and 80022D03 ErrrorOptions Mark as New
you could try safe boot mode, option 3 - see link below, but be sure to read about the implications of choosing the wrong option.
http://faq.en.playstation.com/cgi-bin/scee_gb.cfg/php/enduser/std_adp.php?locale=en_GB&p_faqid=4545&p_created=1248687438&p_sid=RuRqLn-j&p_accessibility=0&p_redirect=&p_lva=&p_sp=cF9zcmNoPTEmcF9zb3J0X2J5PSZwX2dyaWRzb3J0PSZwX3Jvd19jbnQ9NzgsNzgmcF9wcm9kcz0wJnBfY2F0cz0wJnBfcHY9JnBfY3Y9JnBfcGFnZT0xJnBfc2VhcmNoX3RleHQ9c2FmZSBtb2Rl&p_li=&p_topview=1
It will delete any corrupt data - which could include your saves - but if they are corrupt, then they are effectively gone anyway