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- Users: tecnicosdm
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Cannot install USB printer, "The specified port is unknown"
I have already solved this problem.I had to replace the file windows\system32\usbmon.dll (it was damaged). I looked for the file of another PC with XP PRO to replace it, then I re-install usb-printer drivers and it work!!! Thanks aroostook for open my mind when you wrote...(inside...- tecnicosdm
- Post #9
- Forum: Microsoft: Windows
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Cannot install USB printer, "The specified port is unknown"
Hi I'm Pablo from Argentina and i read this thread today because I have the same trouble. Sorry, my English is too bad!!- tecnicosdm
- Post #8
- Forum: Microsoft: Windows
