windows7 installation error,some harddisk problem

hello friends,
i am trying to install windows 7 from bootable usb pendrive but it break in between and gives me this error. "the file or directory c.windows.winsxs.x86_mdmmoto1.inf...is corrupt or unreadable.please run the chkdsk utility." As said in message,i tried to perform 'chkdsk c: /f'.it runs and completes 48% and gives below error. "failed to transfer logged messages to the event log with status 50".
can you please help me to solve this problem.