ix the WSL error 0x80370102 in Windows with this complete virtualization guide. Learn how to enable BIOS virtualization (VT‑x/AMD‑V), activate required Windows features (Hyper‑V, WSL, Virtual Machine Platform), apply the bcdedit /set hypervisorlaunchtype auto fix, update to WSL 2, and troubleshoot conflicts—so your WSL installation runs smoothly again.