> From: HAROLD ROSENKRANS <im_halro****@msn*****> > Date: Sat, 18 Jul 2020 02:39:46 +0000 > > d:/mingw/bin/../lib/gcc/mingw32/9.2.0/../../../../mingw32/bin/ld.exe: cannot open output file Hello.exe: > Permission denied Did you try doing this in another directory? And why is your gcc.exe in the same directory where you are trying to build the Hello problem, as evidenced by this: > D:\java\gcc HelloWorld.c -o D:\java\Hello.exe And finally, what are the owner and access rights to the D:\java directory?