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I think I found the culprit in the Audio MIDI Setup (at least there's an audio driver from one of those AV-rooms), but the - button is not available for any device. The latest addition seems to be the " Data Source Item 0" in the Sounds-drop down. Though the name is not ESHOW but DongleAudio in my case. MacBook Air 11 A1370 2010 OEM Top Case wKeyboard Trackpad Silver 6615739.
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#CD04 DRIVER FOR MAC DRIVERS#
Since I use my Mac for presentations at workshops and conferences, I've apparently picked up a whole bunch of "exotic" drivers that come as part of presentation AV equipment. I also suffered from this problem after installing a software to use a wireless projector. Epson MX MX80 Driver Card MDRI vintage IBM Graphics Printer BULK LOT of 7.
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