when I attach my USB/ flash drive into the computer's USB port, I can't open those sa

[myGL2013]

When I attach my USB or Flashdrive into the computers port, it never opens the files save on it coz a cetain message will appear "this operation has been cancelled due to restrictions in effect on this computer. Please contact your system administrator."

[Rabbit]

The message tells you everything you need to know. The computer administrator has restricted users from doing that. So you need to talk to the computer administrator.