Download the Diagbox 7.57 VMware files. Extract the ...vmx file and associated files into a dedicated folder on your C: drive.
If DiagBox displays an error such as “Access to the authentication server is not possible,“ this is typically because DiagBox cannot reach PSA‘s servers. For offline versions like 7.57, this may not prevent functionality, but if it does, ensure you have either: diagbox 757 vmware
Diagbox 7.57 is the most popular way to use this Peugeot/Citroën/DS diagnostic software because the native installation is notoriously difficult and requires an older Windows 32-bit environment (usually Windows 7). Key Setup Guide for Diagbox 7.57 VMware Download the Diagbox 7
Diagnostic software is notoriously finicky with drivers and antivirus programs. A VMware image keeps all these conflicts contained within a virtual "sandbox". For offline versions like 7
DiagBox 7.57 was released years ago and may not recognize ECUs from vehicles manufactured after approximately 2014-2015. For newer vehicles, you need DiagBox version 8.xx or 9.xx (which require online tokens for full telecoding functionality). Version 7.57 remains best for older PSA vehicles (pre-2015).
Diagbox is notoriously "messy" software. It installs deep system drivers, old Java versions, and specific COM port configurations that often conflict with other software or break easily during Windows updates. Running it on (free for personal use) isolates the software, keeping your host PC clean.
Once inside the VM, your Lexia interface drivers should already be installed. Open the Device Manager inside the VM.