Online backup

The other day i was in a big panic because my computer never start up. I thought it was the end and really worried that i cannot access the files stored in the computer. Fortunately, after few minutes it came back. I really don't know what happened to it. Husband thought, i got too many junk downloaded in the system. I should have to delete some of those to make the computer run smoothly. He also mentioned free online backup in case something happen to the computer. Online backup has ability secure files and documents. It protect personal computer and ensure that the data is safe. Since, there are free services, i definitely give a try.