Windows 11 ((top)) | Diagbox
Diagbox
is the diagnostic software used primarily for Peugeot and Citroën vehicles. It is notoriously sensitive to operating system environments.
virtualize Windows 7, pass the USB through, and never look back.
But as of 2026, DiagBox on Win11 means:
- Right-click
setup.exe→ Properties → Compatibility. - Set: Windows 7 compatibility mode + Run as administrator.
- Install to the default path (
C:\AWRoot). Do not change it. - When prompted, do not launch the software after installation.