Select the correct COM port and run the update without needing to power on the scanner independently.
scanner updated ensures you have the latest vehicle protocols and diagnostic capabilities. Whether you are troubleshooting a check engine light or performing advanced live data monitoring, staying on top of software revisions is critical. Where to Download the Latest Software
before downloading. If the "new" update only adds 2025 Hyundai support but drops OBD1 protocols, stick with your current version.
Software update tools for older Memoscan units are primarily compatible with Windows XP or Windows 7 ; newer 64-bit operating systems (Windows 10/11) may require compatibility mode or specific USB serial drivers like CH341SER . Step-by-Step Update Guide
Before starting, ensure you have downloaded these three key components to your desktop: USB Driver: Often named CH341SER.EXE U Serial memo scanner usb driver Update Tool: U581 ENGLISH folder containing the executable files. System Files: REGMSCOMM.exe to register the necessary communication ports on your PC. Step-by-Step Update Instructions Install Drivers: Run the USB driver installer ( CH341SER.EXE
: Since many download links are on third-party sites, scan all files with a multi-engine tool like VirusTotal before running them. Registration : Some versions require running REGMSCOMM.exe