Hi Regina, > Makefile:250: recipe for target 'build' failed > make: *** [build] Error -1073740940 i just started to build LO 5 on Win7 64Bit with VS2013 and have same build problems first unpacking external source "libreoffice-translations-5.0.0.5.tar" failed with an error "D" could not resolved". i use drive "d" instead of "c" as described at https://wiki.documentfoundation.org/Development/BuildingOnWindows. adding "/cygdrive/d" solved it. but now build will fail constantly with error 2 or error -1073740940 i just restart the build again and again ... my configuration is: /cygdrive/d/sources/libo-core/autogen.sh \ --with-build-version="$(date +"%Y-%m-%d %H:%M:%S %z (%a, %d %b %Y)")" \ --with-vendor="LO Debug Build" \ --with-external-tar=/cygdrive/d/sources/lo-externalsrc \ --with-junit=/cygdrive/d/sources/junit-4.10.jar \ --with-ant-home=/cygdrive/d/sources/apache-ant-1.9.5 \ --disable-ccache \ --with-parallelism \ --enable-pch \ --enable-verbose \ --without-fonts \ --with-lang="de" \ --with-package-format="installed msi" \ --without-junit \ --enable-dbgutil \ --enable-debug \ --enable-crashdump \ --disable-odk \ --disable-online-update mv autogen.lastrun autogen.input -> admin@mypc /cygdrive/d/sources/libo-core $ /opt/lo/bin/make all gb_COLOR=1 D:/cygwin/opt/lo/bin/make -j 4 -r -f D:/sources/libo-core/Makefile.gbuild all Regards Oliver