Modified versions like the one mentioned often differ from official releases: Portability
Unstable "portable" wrappers often crash during heavy rendering. sony vegas pro 100a build 387 portable pre ac exclusive
The original name for MAGIX Vegas Pro. Sony Creative Software sold the product line to MAGIX in 2016. Any version claiming to be “Sony Vegas Pro” after version 13 is automatically suspicious. Modified versions like the one mentioned often differ
is a non-linear editing system (NLE) that transitioned from Sony Creative Software to Vegas Pro 17 (Build 387): sony vegas pro 100a build 387 portable pre ac exclusive
Overview
Build 387 was known for being one of the most stable releases before the software eventually transitioned from Sony to MAGIX in 2016 Audio Superiority: