Have you in installed vswhere ? Can the os find it on command line? https://urldefense.proofpoint.com/v2/url?u=https-3A__github.com_Microsoft_vswhere&d=DwIGaQ&c=n6-cguzQvX_tUIrZOS_4Og&r=gTL_yCLQl_7u2-yqgVXg0brOZdHvslFzcgXDiq_Zsb4&m=voPSmuIQHD5JW58_MsFU8ikM19zkobYavo2d-IACocA&s=_fwFHF8h9xf8A_tjvYnvAM3cqaAqR_TBJqhU9Bcc13Y&e= From: Boost-users [mailto:boost-users-bounces@lists.boost.org] On Behalf Of DrRadek via Boost-users Sent: Sunday, April 29, 2018 11:20 PM To: boost-users@lists.boost.org Cc: Radekkostra@seznam.cz Subject: [Boost-users] help hello, i am trying to build boost, but i have problems. First is in log(bootstrap.log - could not find "vswhere") and second is when compiling boost(this command :.\b2 --toolset=msvc link=shared,static address-model=64 --with-system --with-filesystem -j 4(5 failed,12skipped,79 updated).