I'm running Windows 7 pro and have to install a driver for frequency inverter, so that I can program the unit. The supplier has provided a driver that is windows 7 certified but Windows always installs the a windows driver for the device. When I try to update the driver, windows tells me that the installed driver (windows driver) is the up - to - date and i can install the correct driver.$0
What can i do to install the correct driver for my device?$0
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