How to Install PSA Series 9.x (9.85) Diagnostic Software on Windows?

ℹ️ Important information: unreadable text during installation

During installation, some text may appear unreadable (inconsistent characters). This is normal: it depends on the Windows encoding used by some installers.

👉 The installation remains functional: in most cases, simply click Next at each step.

⚙️ Prerequisites before installation

Before you begin, make sure you have:

• A PC running Windows 7 / 8 / 10 / 11 (64-bit).
• The provided archive unpacked (via WinRAR or 7-Zip).
• Administrator rights on your Windows session.
• Temporarily disabled antivirus and Windows Defender during installation.
• Run installers by right-clicking → Run as administrator.

🗂️ Step 1 — Unpacking the archive

1. Locate the downloaded archive.
2. Right-click → Extract here (or use WinRAR / 7-Zip).
3. After extraction, you will get a folder containing the installation file.

🧱 Step 2 — Creating and excluding the AWRoot folder

1. Create the folder: C:\AWRoot
2. Add C:\AWRoot to the exclusions of your antivirus and Windows Defender.

➕ Exclude AWRoot in Windows Defender

1. Windows Settings → Update & Security → Windows Security
2. Virus & threat protection
3. Virus & threat protection settings → Manage settings
4. Add or remove exclusions
5. Add an exclusion → Folder → select C:\AWRoot

🧩 Exclude AWRoot in your antivirus

1. Open your antivirus.
2. Search for: Exclusions / Exceptions / Exclude a folder.
3. Add C:\AWRoot and confirm.

💿 Step 3 — Software installation (native installation)

1. In the extracted folder, locate the installation file.
2. Right-click → Run as administrator.
3. Follow the wizard until the end (do not close the window before it finishes).

⏳ Estimated duration: 15 to 20 minutes

🧠 Step 4 — Driver installation

1. On the desktop (or in the installation folder), locate the driver installation file.
2. Double-click to launch the driver installation.
3. Follow the wizard until the end.

🔌 Step 5 — Connecting the interface

1. Connect your interface to the computer.
2. Open Device Manager.
3. Verify that it is recognized under: ACTIA USB Devices.
4. It may appear under: USB Com Board Evolution Driver (UMDF).

⚙️ Step 6 — Initial configuration (language)

1. Launch the application.
2. On first startup, the interface may open in another language.

Changing the language

• If a software update check is offered: click No.
• Click the icon in the top left corner of the main screen.
• Open Settings / Configuration.
• Choose the language option, then select English.
• Close and restart the application.

🔄 Step 7 — Interface update (if prompted)

• If an automatic interface update appears, let it complete.
• Do not unplug the interface during this step.

✅ Step 8 — Final verification

1. Connect the interface to the vehicle and the PC.
2. Launch the application from the desktop shortcut.
3. Verify that:
   • the interface is detected,
   • the PSA welcome screen appears,
   • vehicle communication is functional.

💡 Useful tips

• Check the compatibility of your interface with series 9.x.
• Reactivate your antivirus once the installation is complete.
• Never move C:\AWRoot.
• In case of detection issues, restart driver installation (administrator mode).
• On a laptop: plug it into mains power throughout the installation.

FAQ

Why disable antivirus / Windows Defender during installation?

Some files may be blocked or deleted during copying, leading to startup errors or an unrecognized interface. After installation, you can reactivate protections.

What is the C:\AWRoot folder used for?

It's a folder used by the software environment. If it is deleted, moved, or blocked, the application may malfunction.

My interface is not detected, what should I do?

Check Device Manager, reinstall drivers in administrator mode, change USB port, and avoid hubs.