help! help!

suddenly my n95 going crazy.i just can receive and make a call.others thing like messaging,open gallery and thing that using phone memory cannot be open.its show error message:

NOT ENOUGH MEMORY TO PERFORM OPERATION.DELETE SOME DATA FIRST.

how come?even though i already delete all data in the phone memory.i also try to restore factory setting but it still show the same error massage.when i delete all the file in the phone memory,its show some increasing in the memory but after i restart it,i check the memory again it show 0 KB.

can i entered n95 OS through pc?

can anyone help me with this?already use it for long time.my best phone ever! so sad....