Mobile information terminal executing application program

A mobile information terminal comprising:

• a controlling portion configured to execute an application program;
• and
• a resetting portion configured to output a resetting signal for rebooting said controlling portion in a case where a predetermined operation by a user is accepted, wherein:
• said controlling portion includes a determining portion to determine whether an audible security sound emitted by the mobile information terminal is activated to indicate a condition when resetting said controlling portion is not permitted, and a state-signal outputting portion to output a state signal denoting either a resettable state or a non-resettable state of said controlling portion, wherein said state-signal outputting portion outputs the state signal denoting the non-resettable state in a case where the determining portion determines that the audible security sound is activated, after the state signal denoting the resettable state is output;
• and
• said resetting portion includes a judging portion to output to said controlling portion said resetting signal on condition that said state signal denotes the resettable state of said controlling portion.