By following the (downgrading to v1.1.6), applying the DLC unlocker trick , and avoiding the problematic v2.0 patches, you can enjoy a fully functioning portable PC workshop.
Do not install Update v2.0.0 or v2.0.1 if you are using a custom NSP. These updates implement new telemetry and anti-piracy checks that will deliberately crash the game if it detects a non-legitimate certificate . They also delete your save file during boot. pc building simulator switch nsp dlc update fix
Disclaimer: This article is for educational and archival purposes. Always support developers by purchasing official software if you enjoy the game. By following the (downgrading to v1