Michael, It appears there was a missing project file. In this case it is called: hello_world.jcc In addition, save your Make.header changes. However, I have noticed if I try to save the exact file to another directory an error will occur. Further investigation is needed. I have included my steps below: Start Code Crusader Step 1. An "Untitled 1" page will appear. Select File->New Project. Type in: hello_world.jcc Click on the Save button. This will call up: hello world.jcc Step 2. Navigate to the top right corner of the project window. Click on the "Config" button. This will call up the Make.header file. Step 3. Scroll down to the line beginning with: LOADLIBES : = -lm Change the line so that appears as below: LOADLIBES : = -lstdc++ -lm *Note: l is a character not the number 1 Click on the Save button. Step 4. Navigate back to the Untitled page and type in: #include <iostream.h> int main() { cout << "Hello world!" << endl; } Click on the Save button and name the file: hello_world.cc Step 5. Navigate to Project->Add to hello_world.jcc->Relative to project file Step 6. Navigate to: hello world.jcc Click on the RUN button. That's it. I made it a little longer as the help files are some what limited. Roman Registered Linux User #179293 High Energy Penguin Powered Email