Hi Mathias, I 'cd'ed to c:\Programs\lazarus and ran fpc\2.2.3\bin\i386-win32\make.exe Which solved the problem. With regards to the 'graphics.pas' files, I was drawing attention to the fact that I have multiple instances of fpc (2.2.1, 2.2.2, 2.2.3), which might have been confusing the compiler.