Help me understand why this Proteus simulation failed

mixed model pic16.dll

Hi all
I am new start at proteus but i fail to simulat the first try
'**********************************************
SIMULATION LOG
==============
Design: D:\Program Files\Labcenter Electronics\Proteus 6 Professional\MySamples\BlinkLed\BlinkLed.DSN
Doc. no.: <NONE>
Revision: <NONE>
Author: <NONE>
Created: 12/04/07
Modified: 12/04/07

Compiling source files...
Build completed OK.
Compiling netlist...
Linking netlist...
Partition analysis...

Simulating partition 1 [A7D3450E]...
PROSPICE Release 6.6 SP0 (C) Labcenter Electronics 1993-2002.
SPICE Kernel Version 3f5. (C) Berkeley University ERL.

Reading netlist...
ERROR: [U1] mixed model PIC16.DLL failed to authorize - Product Key not found.
Reading SPICE models...
Loading library 'LINTEC.SML'
Loading library 'FAIRCHLD.SML'
Loading library 'NATOA.SML'
Loading library 'TECCOR.SML'
Loading library 'TEX101.SML'
Loading library 'TEX3_1.SML'
Loading library 'TEX301.SML'
Loading library 'TEX401.SML'
Loading library 'TEX5_1.SML'
Loading library 'VALVES.SML'
Loading library 'ZETEX.SML'
Loading library 'SUPERTEX.SML'
Loading library 'ANALOGD.SML'
Loading library 'APEX.SML'
Loading library 'BURRBROWN.SML'
Loading library 'ELANTEC.SML'
Loading library 'INTERSIL.SML'
Building circuit...
Added GEARTH resistor for net #00016.
Added GEARTH resistor for net #00017.
Added GEARTH resistor for net #00000.
Added GEARTH resistor for net #00002.
Added GEARTH resistor for net #00003.
Added GEARTH resistor for net #00004.
Added GEARTH resistor for net #00005.
Added GEARTH resistor for net #00006.
Added GEARTH resistor for net #00007.
Added GEARTH resistor for net #00008.
Added GEARTH resistor for net #00009.
Added GEARTH resistor for net #00010.
Added GEARTH resistor for net #00011.
Added GEARTH resistor for net #00012.
Instantiating SPICE models...
Real Time Simulation failed to start

Simulation FAILED due to fatal simulator errors.

'**************************************
i get this result but i can't understand what is mean
please help me thanks

pic16.dll

SIMULATION LOG
==============
....
....

Simulating partition 1 [A7D3450E]...
PROSPICE Release 6.6 SP0 (C) Labcenter Electronics 1993-2002.
SPICE Kernel Version 3f5. (C) Berkeley University ERL.

Reading netlist...
ERROR: [U1] mixed model PIC16.DLL failed to authorize - Product Key not found.
Reading SPICE models...
Loading library 'LINTEC.SML'
....
....

Click to expand...

You need PIC16 product key!

Re: Proteus help pleas

What version are you using?

Is it a demo version? or lite?

A product key for pic16 is required for you to register the program.

Re: mixed model pic16.dll

either your software is not installed properly or may be you are using demo version