LaCie Hard Disk 1TB Desktop with Hi-Speed USB2.0 USB 2.0 Hard Drive "quot deleted limit" Questions

...delete some video clips from my pc, every time i tried to delete it, a message appeared.. saying " Make sure the disk is not full or write-protected and the file is not currenty in use" ...

Included "Start Lacie" file not Included "Start Lacie" file not run on drive prior to Windows format; drive now has only 9.99 MB of availability. After mistakenly deleting the setup file and