USB computer hard drive, security can not be removed.

My USB hard disk, often in a safe remove, said that the system is being used ……
I have everything closed.In the task manager, I do not know inside what is being used by the program ..
How do?
Easy to pull out of direct bad.

Anti-virus software is also related to the computer at times you will be talking about , You put click the computer write-off, and then remove the safety on the line.Explorer is related to, and then there is likely to
poisoning may be the procedure of calling the above documents, before I use Daemon call on the mobile hard disk mirroring This will pull off another Ha! To this very simple ah, as long as the write-off and then log on can be safely deleted