When I 74compile my project I get these errors: **************************************** *** WARNING L1: UNRESOLVED EXTERNAL SYMBOL SYMBOL: ?C_STARTUP MODULE: gf.obj (GF) *** WARNING L1: UNRESOLVED EXTERNAL SYMBOL SYMBOL: ?C?COPY MODULE: gf.obj (GF) *** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL SYMBOL: ?C?COPY MODULE: gf.obj (GF) ADDRESS: 0027H ******** WARNING L1: UNRESOLVED EXTERNAL SYMBOL SYMBOL: ?C_STARTUP MODULE: gf.obj (GF) *** WARNING L1: UNRESOLVED EXTERNAL SYMBOL SYMBOL: ?C?COPY MODULE: gf.obj (GF) *** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL SYMBOL: ?C?COPY MODULE: gf.obj (GF) ADDRESS: 0027H ******************************************* What does this mean and where is the problem? Thanks