# Problem with Matlab example for ADALM-PLUTO

Question asked by G4DCP on Aug 11, 2017
Latest reply on Aug 12, 2017 by G4DCP

I am trying to use the example MATLAB code - plutoradioSpectralAnalysisExample.

It is trying to use a JIT cache located in the Firefox C:\Program Files (x86)\Mozilla Firesfox\....  Writing to C:\Program Files (x86) causes problems with modern Windows :-

Failed to serialize JIT engine to file C:\Program Files (x86)\Mozilla Firefox\slprj\_jitprj\uj4PngAW8O3q1d7aQmmPGE.l. Make sure the disk is not full or write-protected. 'Caught exception writing bitcode to "C:\Program Files (x86)\Mozilla Firefox\slprj\_jitprj\uj4PngAW8O3q1d7aQmmPGE.l" - last system error was: Permission denied'.
Component:Simulink | Category:Model warning
An error was encountered while writing the cache for MATLAB System blocks in model 'plutoradioSpectralAnalysisExample'.

How does one control where it puts the JIT files because the side effect of this is the code runs slowly severly reducing the baseband max sample rate.