Hello, i have installed a version of scilab 5.5.2. i have installed lcc win 32. i am trying to simulate the RLC circuit demo in XCOS. but i get the error as Main Modelica : C:\DOCUME~1\Jalpa\LOCALS~1\Temp\SCI_TMP_3892_\RLC_Modelica_im.mo Flat Modelica : C:\DOCUME~1\Jalpa\LOCALS~1\Temp\SCI_TMP_3892_\RLC_Modelica_imf.mo Simulation C code :C:\DOCUME~1\Jalpa\LOCALS~1\Temp\SCI_TMP_3892_\RLC_Modelica_im.c Generate a loader file Generate a Makefile Running the Makefile !sorry compiling problem ! ! ! !A Fortran or C compiler is required. ! c_pass1: build the modelica meta-block failed xcos_simulate: Error during block parameters update. i have installed c compiler and then when i go to module manager --> windows Tool i am not able to find the lcc option. Earlier it was working fine. i have even re-installed scilab 5.5.2. please help.