Because the version I downloaded codeblocks download errors. The compiler is not installed, so I cause problems occur at compile time.
You can first create a new project
By settings "compiler" toolchain executables "auto detect whether or not you can check out the compiler installation
In the new entering codeblocks official website found that there are other versions of the following
Seen on many, many versions of the software through this picture. He stripped-down version, there are also versions with gcc compiler; and some other versions.
When Zaiyu such problems. A first step should be excluded. And ultimately find the root of the problem, and effective solution.