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I'm having trouble installing the Version 6 of the "CP210x Macintosh OS VCP Driver v6" on my mac OS Mojave.

The error is "unexpected reply from installKextFromBundle kOSKextReturnNotLoadable (-603946989) at -[AppDelegate takeInstallStep]_block_invoke_10:1290"

I have disabled the SIP on the mac, and trying to install this driver so that I can use the ESPxx family microcontrollers using the Arduino IDE.

I must have tried multiple times trying to install/ uninstall and have been unsuccessful so far.

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The MacOS version is :

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The installer is :

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The USB interface is :

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The only driver that is installed is :

$ ls -l /dev/cu* crw-rw-rw- 1 root wheel 18, 1 Dec 8 18:54 /dev/cu.Bluetooth-Incoming-Port

Would appreciate if there is some one who can tell how to remove / clean up and install this driver clean.

Have run the ./uninstaller.sh multiple times, rebooted it and such. Thanks

Shashi Kiran
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1 Answers1

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I received the same errors but I've successfully installed. I used Homebrew to brew install --cask silicon-labs-vcp-driver and the cask requires manually running the installer. I had Fast User Switching active and was logged-in with another admin user at the time. I found, after several failed install attempts on the first admin user's account, that the System Preferences authorisation pane was also displayed on the second admin user's account. I authorised and logged-out of the second user's account, then attempted to install from the .dmg I'd downloaded directly from https://www.silabs.com/developers/usb-to-uart-bridge-vcp-drivers. That finally succeeded.

jwq
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