What sort of computer was it? My own particular set of computer horror stories include a batch of Olivetti laptops (Pentium I-era) that refused to run a critic

What sort of computer was it? My own particular set of computer horror stories include a batch of Olivetti laptops (Pentium I-era) that refused to run a critical business app, a Gateway Desktop that refused to run a critical database app, a Sony Vaio desktop that was cute but completely useless ... all of which I would cheerfully have shot.