davidr4u

I recently bought a Toshiba external hard drive and an HP desktop with Windows 7. I used the external hard drive once and I thought it worked successfully. I am now trying to update by back up. I connect the external hard drive, go into the Back Up and Restore in Control Panel but get a message to check my backup as the last back up did not complete successfully. When I select more information it tells me that windows could not back up any of the drives included in the back up, whe i look at the list of skipped files iot gives a list of about 12 files skipped because "it is on corrupted drive C". It invites me to either change backup settings which simply gives me the option of the external hard drive or the E drive, or it invites me to try again. When i try again, i go through the same process and go round in circles. I don't understand what's going wrong and I have no idea why the list of skipped files refers to corrupted drive C, my pc seems to be working fine.