i am having problem in copying file and folder via usb. it's send a dialog box writing error copying file or folder: the path is too deep.
I answered this once, do not know what happened to post, so at risk of being redundant:
Windows has a limitation where the entire path to a file cannot be over 255 characters. Microsoft has a command line copy program called "Robocopy" (Robust Copy) that can copy files without this limitation. This utility can be found in the Resource Kit Package. Try using this program to copy your files. http://www.microsoft.com/download/en/details.aspx?displaylang=en&id=17657
Microsoft's explanation is in the following article: