I am almost close to compiling sources, can someone explain me the below error.
kBuild: Compiling VBoxHeadless - C:/VirtualBox-2.2.4_OSE/src/VBox/Frontends/VBoxHeadless/VBoxHeadless.cpp
kmk.exe[2]: *** No rule to make target `C:/Program', needed by `C:/VirtualBox-2.2.4_OSE/out/win.x86/release/obj/VirtualBox/VirtualBox.exe'. Stop.
kmk.exe[2]: *** Waiting for unfinished jobs....
VBoxHeadless.cpp
kmk.exe[2]: Leaving directory `C:/VirtualBox-2.2.4_OSE'
kmk.exe[2]: Entering directory `C:/VirtualBox-2.2.4_OSE'
kmk.exe[2]: *** Exiting with status 2
kmk.exe[1]: *** [pass_binaries_this] Error 2
kmk.exe[1]: Leaving directory `C:/VirtualBox-2.2.4_OSE'
kmk: *** [pass_binaries_order] Error 2