Thread Subject: Compiler error

Hi,
While compiling a GUI, I get following error:
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- down to this line everything seems to be OK and then:
impossible to open C:\DOCUME~1\2565412\LOCAL
 
  C:\PROGRA~1\MATLAB\R2009A-A\BIN\MEX.PL: Error: Link of 'D:\MatlabGUI\UNTITLED9\SRC\Untitled9.exe' failed.
 
Error: An error occurred while shelling out to mbuild (error code = 2).
Unable to build executable.
??? Error using ==> mcc
Error executing mcc, return status = 1 (0x1).
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Have already checked the links with similar error code = 2:
http://www.mathworks.com/support/solutions/en/data/1-8DW2B1/?solution=1-8DW2B1
http://www.mathworks.com/support/bugreports/456068

and it seems to be a different problem. Has anyone a solution?
Thank you,
G