Compiling with GCC on windows 7: \mingw32\bin\ld.exe: cannot open output file a.exe

Question

This is what I get when trying to compile a simple hello world program with gcc.

c:\\>gcc hello.c
hello.c:9:2: warning: no newline at end of file
C:\\MinG         


        

Answer 1

The most common case is that your program may still be running in the background, possibly hanged on an endless loop. You can try searching for the process in the process list (press Alt+Ctrl+Del) and killing it.