Xp Flash Memory It Does What Is Says It Does. Help Flash Memory Problem?

Help flash memory problem? - xp flash memory it does what is says it does.

Backedup my file from my PC to my flash memory using the File Transfer Wizard before formatting my PC with my pc.then formatted FAT 32 and install a new Windows xp.soon get in touch if I think my flash Computer labeled "Insert a disk into drive F" message appears.i have my files in 2 to solve memory.and flashing the same message for 2 memory.how this problem can be?