for some unknown reason my memory card has put itself in protected mode and i have no idea how to fix it and put it back without wiping everything off it. so please someone help

jjlwis:
Is there a lock out slider on the side of the card?Β 
jessaskittles:
nopes @jjlwis it was working fine one minute and just as i was about to transfer images it just shut down the window and wouldnt come back on, faffed with it and it just locked me out