I have a problem that I never had.
I have 2 pc 1 with Seven and the other windows 8.
My Max is no longer recognized and I no longer have access to the memories of my phone ....
well if you did not change the phone in anyway, then you have a pc problem, try install all the right htc drivers again. And then you need the latest adb files to. When you are using the latest adb you will have to confirm the connection on the phone so pay attention to that.
Locate the adb folder and replace the adb.exe with this one
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