This is my proposed solution to the problem with the NQC beta and RcxCC. As a quick recap, the problem is that RcxCC uses an exec line which has one quoted argument ending with a backslash: nqc -E"temp.log" -L"temp.lst" -I"C:\NQC\CC\" temp.nqc The (...) (25 years ago, 18-Jan-00, to lugnet.robotics.rcx.nqc)