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Author Topic: Mach error UNABLE TO LOAD..FTDI USB DRIVER ftd2xx.dll  (Read 1898 times)

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Mach error UNABLE TO LOAD..FTDI USB DRIVER ftd2xx.dll
« on: December 22, 2014, 05:43:41 PM »
Hoping to get a solution to a Mach3 error on start up:

Smoothstepper v17fc: "unable to load the FTDI USB driver ftd2xx.dll" followed by a 9991 triggered error and forced close down.

Is this a Windows 8 compatability problem? Note, I had a forced Windows Op update on my laptop (been putting it off and off but was forced in time to accept an upgrade. I have had SS problems with Win 8 previously.

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Re: Mach error UNABLE TO LOAD..FTDI USB DRIVER ftd2xx.dll
« Reply #1 on: December 28, 2014, 01:32:18 PM »
Best check with Greg but it could be the driver is needing updated for W8.
Hood