bad sectors

I've researched online and Anandtech and still need some guidance. I've run autonuke (default) option of Darik's Boot and Nuke and now want to copy some data to a hard drive. The data is copied elsewhere, this is for redundancy on a used HDD. I plan to monitor SMART stats but just want to park...

whenever i run any application after windows startup no matter how much time after the startup the disk usage gets to 100% with no actual apps using disk all are around .1 mb/s *it returns to 0-1% after 1-2 mins depending on the app*, if i closed the app and reopened it, it takes like a sec or...