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Wait for the final confirmation dialog before disconnecting.

Drivers for this interface are generally bundled with the diagnostic software suites (, Lexia 3 , or PP2000 ) but can be updated independently using the following methods:

Below is a step-by-step guide to update the driver on .

If you are staring at a “device not recognized” error, struggling with communication dropouts, or unable to launch Diagbox or PP2000, you are likely suffering from corrupt, outdated, or incorrectly installed drivers. This article serves as your definitive 2,500-word guide to understanding, sourcing, and executing a flawless driver update for the ACTIA PSA XS Evolution 9780Z5.

Windows has blocked the driver due to signature issues or resource conflict. Fix: Re-do Step 2 (Disable Signature Enforcement). If that fails, change the assigned COM port in Device Manager > Properties > Port Settings > Advanced > COM Port Number. Use COM 1-4.