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I'm trying to setup WiFi on my RaspberryPi running Raspbian. WPI_GUI refuses to allow my to save it's configuration as

The configuration could not be saved. The update_config=1 configuration option must be used for configuration saving to be permitted

This is strange, as the contents of my /etc/wpa_supplicant/wpa_supplicant.conf contain:

ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=netdev

update_config=1

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try

sudo nano /etc/wpa_supplicant/wpa_supplicant.conf

and add the line

        disabled=1

below each

        ssid="..."

line. Save the file and reboot, I had a similar problem (could not edit bad settings) and it allowed me to edit the settings again after the reboot.

In my case though the problem was an incorrectly configured wireless, it seemed to get stuck in a dead loop of trying to connect and would not let me use the GUI to correct the problem!

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I got a similar message recently. For me I had to add

update_config=1

to the top of the wpa_supplicant.conf file. Got a write error warning once but new Wifi configurations now save properly.

  • But this is set by default so normally there is no need to set it. – Ingo Dec 18 '19 at 10:33

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