Peter, what is the exact KiCad version you are running? We fixed one issue that lead to crash when one tried to assign a footprint to a symbol that had none or an invalid footprint assigned before. You may simply test the next nightly, it is very likely the problem is fixed already.
Peter, what is the exact KiCad version you are running? We fixed one issue that lead to crash when one tried to assign a footprint to a symbol that had none or an invalid footprint assigned before. You may simply test the next nightly, it is very likely the problem is fixed already.