1, the computer to install the latest version of the antivirus software after updating to the latest virus database.
2, insert the portable hard disk.
3, open "My Computer", right-click on the portable hard disk, select "scan with antivirus software".
4. After checking all the viruses. Unplug the hard disk, insert it again and scan it again.
5. Try to open the removable hard disk to see if the original folder exists.