Code::Blocks not working?

This thread was deleted in the Forum Crash, but I am still very much lost.

As I said previously, I am a complete C++ novice. I recently downloaded Code::Blocks + MinGW per your suggestion. When I wrote the very first code and clicked Build + Run, it said "main.cpp - Debugger uses an invalid compiler. Nothing to be done."

???

I'm using Windows XP, and it's on my external harddrive. I downloaded Code::Blocks without the MinGW first, and the uninstallation failed about halfway through, since C::B was still open. I deleted the folder to finish it. Since then I have redownloaded C::B + MinGW and uninstalled and reinstalled twice.

Have you configured CB to use MinGW?
Try disabling the debugger when you build, and see what happens.

Make sure you have a recent version of gdb (Download here) in your MinGW/bin directory.

If all else fails, install MinGW again via the installer available on Sourceforge.

Configuring CB to use gcc: go to Settings->Compiler and Debugger, then go to "Global Compiler Settings" and find "toolchain executables." That ought to get you on the right foot.