harddisk problem

The computer promopted: "Windows-- Delayed write failed."

"Windows was unable to save all hte data for hte file\DeviceVolume17\$Mft. The data has been lost.This error may be caused by failure of your computer hardware oe network conncetion. Please try to save this file elsewhere. "

What is going on with my computer? Hard disk problem? Shall I replace the harddisk with a new one? Thanks a lot.