Problem: JTAG_CLIENT.DLL missing, DE0_Nano_ControlPanel on Windows 8.1, Quartus II 14

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What did you want to do with your DE0-nano?

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Dave:

The idea in purchasing the nano was to prove a design for a new product that I'm developing now (probably for the Cyclone IV). (My VHDL model is looking very good.) Everything in the manual (and generally on the web related to the nano) supposedly supports that assumption. :(

From my experience in writing lots of code for the Windows API, this seems to be a PATH issue, but I haven't been able to figure out what PATH values are needed where. I really expected more from what looks to be a very professional implementation from Terasic, but maybe this is typical?

It could also be a USB driver issue, but that also I've not be able to confirm.

Thanks.

Dave