Errors when building modules (should I be worried)

Hetting big list of errors when trying to build modules inside Blide:

►►►ERRORbrl.appstub was not build
Build Error: failed to compile D:/Program Files/BlitzMax/mod/brl.mod/appstub.mod/appstub.win32.c

►►►ERRORbrl.blitz was not build
Build Error: failed to compile D:/Program Files/BlitzMax/mod/brl.mod/blitz.mod/blitz_app.c

►►►ERRORbrl.glgraphics was not build
Build Error: failed to compile D:/Program Files/BlitzMax/mod/brl.mod/glgraphics.mod/glgraphics.win32.c

►►►ERRORbrl.math was not build
Build Error: failed to compile D:/Program Files/BlitzMax/mod/brl.mod/math.mod/math.c

►►►ERRORbrl.reflection was not build
Build Error: failed to compile D:/Program Files/BlitzMax/mod/brl.mod/reflection.mod/reflection.cpp

►►►ERRORbrl.system was not build
Build Error: failed to compile D:/Program Files/BlitzMax/mod/brl.mod/reflection.mod/reflection.cppBuild Error: failed to compile D:/Program Files/BlitzMax/mod/brl.mod/system.mod/system.cBuild Error: failed to compile D:/Program Files/BlitzMax/mod/brl.mod/system.mod/system.c

►►►ERRORbrl.timer was not build
Build Error: failed to compile D:/Program Files/BlitzMax/mod/brl.mod/timer.mod/timer.win32.c

►►►ERRORmaxgui.win32maxgui was not build
Build Error: failed to compile D:/Program Files/BlitzMax/mod/maxgui.mod/win32maxgui.mod/blitzplus.cpp

►►►ERRORmaxgui.win32maxguiex was not build
Build Error: failed to compile D:/Program Files/BlitzMax/mod/maxgui.mod/win32maxguiex.mod/mshtmlview.cpp

►►►ERRORpub.enet was not build
Build Error: failed to compile D:/Program Files/BlitzMax/mod/pub.mod/enet.mod/host.c

►►►ERRORpub.freeaudio was not build
Build Error: failed to compile D:/Program Files/BlitzMax/mod/pub.mod/freeaudio.mod/freeaudio.cpp

►►►ERRORpub.freejoy was not build
Build Error: failed to compile D:/Program Files/BlitzMax/mod/pub.mod/freejoy.mod/freejoy.win32.c

►►►ERRORpub.freeprocess was not build
Build Error: failed to compile D:/Program Files/BlitzMax/mod/pub.mod/freeprocess.mod/freeprocess.c

►►►ERRORpub.freetype was not build
Build Error: failed to compile D:/Program Files/BlitzMax/mod/pub.mod/freetype.mod/src/base/ftbase.c

►►►ERRORpub.glew was not build
Build Error: failed to compile D:/Program Files/BlitzMax/mod/pub.mod/glew.mod/glew_static.c

►►►ERRORpub.libjpeg was not build
Build Error: failed to compile D:/Program Files/BlitzMax/mod/pub.mod/libjpeg.mod/jcapimin.c

►►►ERRORpub.libpng was not build
Build Error: failed to compile D:/Program Files/BlitzMax/mod/pub.mod/libpng.mod/png.c

►►►ERRORpub.oggvorbis was not build
Build Error: failed to compile D:/Program Files/BlitzMax/mod/pub.mod/oggvorbis.mod/libogg-1.1.3/src/bitwise.c

►►►ERRORpub.openal was not build
Build Error: failed to compile D:/Program Files/BlitzMax/mod/pub.mod/openal.mod/openal.c

►►►ERRORpub.stdc was not build
Build Error: failed to compile D:/Program Files/BlitzMax/mod/pub.mod/stdc.mod/stdc.c

►►►ERRORpub.zlib was not build
Build Error: failed to compile D:/Program Files/BlitzMax/mod/pub.mod/zlib.mod/adler32.c

Should I be worried? What should I do?

Looks like MinGW is either not installed, or perhaps mis-installed, or isn't in the PATH/Environment.

"was not build"??

That's an error in itself.