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The Solution for PL2303 Driver is Unavailable in Windows 11

April 19, 2022

In general, after installing the VFD driver: PL2303, if the version number is shown as below picture. Then it can work normally.


However, when installed the driver in the Windows 11 POS system, you might find out that it was unavailable. The VFD customer display cannot display.

Windows 11 operating system always updated automatically and compulsorily; the drivers will be updated correspondingly. It will become a version that prohibited from being used by the manufacturer (not the same version number mentioned before)

Find a tool to prohibit the driver to update with Windows 11 operating system.

WuMgr tool v1.1

1. Install the PL2303_Prolific_DriverInstaller_v1200 driver in the POS system.
2. Running WuMgr tool and use it as the steps of the below picture.


If the driver has updated to the newest version, just enter into the device manager, choose the driver file and delete it. Reinstall the driver then prohibit updates.



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