PSA Diagnostic • Windows • Installation Guide
Installing PSA Diagnostic Software on Windows (Guide 9.x)
Looking to install PSA diagnostic software on Windows 10/11 (64-bit) for Peugeot, Citroën, DS? This guide explains the key steps: prerequisites, Java, AWRoot folder, interface drivers, and troubleshooting.
Note: This article is for informational purposes only. It is not an official publication of the software publisher. Any brands and product names mentioned are the property of their respective owners.
Table of Contents
- Why use PSA diagnostic software?
- Compatibility & system requirements
- Step 1 — Prepare Windows
- Step 2 — Install Java
- Step 3 — Create and exclude AWRoot
- Step 4 — Install the software
- Step 5 — Install PSA interface drivers
- Common problems (solutions)
- Which kit / solution to choose?
- FAQ
Why use PSA diagnostic software?
Manufacturer diagnostic software (often searched for under the term "Diagbox") provides access to advanced functions:
- Read and clear fault codes (DTC)
- Actuator tests
- Real-time measurements / parameters
- Maintenance functions (resets, calibrations, etc.)
- Coding / telecoding (depending on configuration and interface)
Compatibility & system requirements
- Windows 8 / 10 / 11
- 64-bit only
- Windows account with administrator rights
- Stable USB port (avoid unstable hubs)
- Compatible PSA interface + corresponding drivers
Step 1 — Prepare Windows
- Temporarily disable Windows Defender and your antivirus.
- Close unnecessary applications.
- Verify that you are on an Administrator account.
- Avoid running a Windows update during installation.
Step 2 — Install Java (mandatory)
The software generally requires Java 8.
- Java 8 32-bit
- Java 8 64-bit
Restart the PC after installation.
Step 3 — Create and exclude the AWRoot folder
Create the following folder:
C:\AWRootAdd C:\AWRoot to Windows Defender and your antivirus exclusions.
Step 4 — Install the software
- Extract the installation archive to a simple folder (e.g., Desktop).
- Launch the installer by right-clicking → Run as administrator.
- Follow the wizard to completion.
Step 5 — Install the PSA interface drivers
- Connect the interface to the PC.
- Open Device Manager.
- Update driver → Browse my computer for drivers → path:
C:\AWRoot\extra\DriversCommon problems (solutions)
The software does not launch
- Check antivirus/Defender exclusions
- Verify that C:\AWRoot exists and has not been modified
- Launch in administrator mode
- Restart the PC
Interface not detected
- Reinstall drivers via C:\AWRoot\extra\Drivers
- Change USB port (avoid hubs)
Which kit / solution to choose?
The right choice depends on the vehicle (year, generation), desired functions, and interface compatibility. A reliable solution = stable version + clear procedure + compatible interface + support.
👉 Discover our PSA diagnostic solutions in the shop: View PSA diagnostic solutions
FAQ
Compatible with Windows 11?
Yes, 64-bit, by respecting admin rights, Java 8, exclusions, and drivers.
Why exclude AWRoot?
To prevent protection software from blocking/deleting necessary operating files.
What to do if the interface is not recognized?
Reinstall drivers via C:\AWRoot\extra\Drivers, change USB port, then restart.
