Turn off sleep modes, screensavers, and aggressive antivirus software that could interrupt the PCMFlash application during data transfer.
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Authentic PCMFlash hardware (licensed by the developers in Latvia/Europe) comes with a scratch-off sticker containing a unique serial number. This number must be registerable on the official PCMFlash portal. If the seller says "no registration needed" or "pre-activated," it is a clone. Turn off sleep modes, screensavers, and aggressive antivirus
The smart-card dongle contains the software license. A high-quality dongle ensures that the license is not dropped mid-flash, which could otherwise leave an ECU permanently unresponsive. Key Supported Protocols and Modules Turn off sleep modes