I have installed trial version of ‘folder lock 5.8.0’. it work perfectly, but after 2 days the software lock my USB(external hard drive) (SEGATE) important document in it. after a day it stopped working. anytime i try to unlock ,it accept the password,but does not open and the error displays on microsoft windows. windows never notify me on the solution. Please help me, if anyone know how to unlock it please tell me.