I tried "Add Legacy Hardware" and that loads the driver exactly as it should but the driver is not actually pointing to any hardware. This might work on Windows 7 except my device shows up in the hardware manager as an "Unknowen Device" under "USB Controllers" and when I manually point it to the INF above it simply says "Does not contain a software driver for your device" and does not even output anything other than that same message! This is the way the internet recommends and this works on a Vista computer at school. On Windows 7 its in the driver catch and you must use the commented changes to make it found. Windows XP has usbser.sys in its drivers folder at OS install so the stock INF works for that system. Below is the INF that will install on XP without any issues at all. The device works perfectly fine on my XP machine so I know their is no hardware concerns. Some use the FTDI chips for the interface and other use a Pic or AVR chip for it but either way their is an issue with Windows 7 and the CDC driver process. I am an electrical engineering student and I have a whole host of development kits and trinkets that connect via USB and the virtual com port drivers. I recently built a new system and bought Windows 7 32bit. This is the single most infuriating issue I have with Windows ever since XP.
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