<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">It seems that the problem is the - -attach 0 option. 0 is invalid. That assumption is based on executing Discover (plasma-discover) from my fully updated 16.04 system, where accessing Configure Software Sources in Discover works. There, the dialog pop-up for the password shows the Command as: /usr/bin/software-properties-kde - -attach 111149060 - -dont-update<div class=""><br class=""></div><div class=""><div class=""> <div style="color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div class=""><br class="Apple-interchange-newline">Paul Loughman</div><div class=""><a href="mailto:snowhg@icloud.com" class="">snowhg@icloud.com</a></div><div class=""><br class=""></div></div><br class="Apple-interchange-newline" style="color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;"><br class="Apple-interchange-newline"> </div> <div><br class=""><blockquote type="cite" class=""><div class="">Begin forwarded message:</div><br class="Apple-interchange-newline"><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px;" class=""><span style="font-family: -webkit-system-font, Helvetica Neue, Helvetica, sans-serif; color:rgba(0, 0, 0, 1.0);" class=""><b class="">From: </b></span><span style="font-family: -webkit-system-font, Helvetica Neue, Helvetica, sans-serif;" class=""><a href="mailto:kubuntu-devel-request@lists.ubuntu.com" class="">kubuntu-devel-request@lists.ubuntu.com</a><br class=""></span></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px;" class=""><span style="font-family: -webkit-system-font, Helvetica Neue, Helvetica, sans-serif; color:rgba(0, 0, 0, 1.0);" class=""><b class="">Subject: </b></span><span style="font-family: -webkit-system-font, Helvetica Neue, Helvetica, sans-serif;" class=""><b class="">kubuntu-devel Digest, Vol 135, Issue 10</b><br class=""></span></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px;" class=""><span style="font-family: -webkit-system-font, Helvetica Neue, Helvetica, sans-serif; color:rgba(0, 0, 0, 1.0);" class=""><b class="">Date: </b></span><span style="font-family: -webkit-system-font, Helvetica Neue, Helvetica, sans-serif;" class="">March 16, 2016 at 7:00:07 AM CDT<br class=""></span></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px;" class=""><span style="font-family: -webkit-system-font, Helvetica Neue, Helvetica, sans-serif; color:rgba(0, 0, 0, 1.0);" class=""><b class="">To: </b></span><span style="font-family: -webkit-system-font, Helvetica Neue, Helvetica, sans-serif;" class=""><a href="mailto:kubuntu-devel@lists.ubuntu.com" class="">kubuntu-devel@lists.ubuntu.com</a><br class=""></span></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px;" class=""><span style="font-family: -webkit-system-font, Helvetica Neue, Helvetica, sans-serif; color:rgba(0, 0, 0, 1.0);" class=""><b class="">Reply-To: </b></span><span style="font-family: -webkit-system-font, Helvetica Neue, Helvetica, sans-serif;" class=""><a href="mailto:kubuntu-devel@lists.ubuntu.com" class="">kubuntu-devel@lists.ubuntu.com</a><br class=""></span></div><br class=""><div class=""><div class="">Send kubuntu-devel mailing list submissions to<br class=""><span class="Apple-tab-span" style="white-space:pre"> </span><a href="mailto:kubuntu-devel@lists.ubuntu.com" class="">kubuntu-devel@lists.ubuntu.com</a><br class=""><br class="">To subscribe or unsubscribe via the World Wide Web, visit<br class=""><span class="Apple-tab-span" style="white-space:pre"> </span>https://lists.ubuntu.com/mailman/listinfo/kubuntu-devel<br class="">or, via email, send a message with subject or body 'help' to<br class=""><span class="Apple-tab-span" style="white-space:pre"> </span>kubuntu-devel-request@lists.ubuntu.com<br class=""><br class="">You can reach the person managing the list at<br class=""><span class="Apple-tab-span" style="white-space:pre"> </span>kubuntu-devel-owner@lists.ubuntu.com<br class=""><br class="">When replying, please edit your Subject line so it is more specific<br class="">than "Re: Contents of kubuntu-devel digest..."<br class=""><br class=""><br class="">Today's Topics:<br class=""><br class=""> 1. KDE neon Muon Discover - Can't access Sources / Software<br class=""> Sources (Paul Loughman)<br class=""><br class=""><br class="">----------------------------------------------------------------------<br class=""><br class="">Message: 1<br class="">Date: Tue, 15 Mar 2016 12:32:34 -0500<br class="">From: Paul Loughman <snowhg@icloud.com><br class="">To: kubuntu-devel@lists.ubuntu.com<br class="">Subject: KDE neon Muon Discover - Can't access Sources / Software<br class=""><span class="Apple-tab-span" style="white-space:pre"> </span>Sources<br class="">Message-ID: <33A567AC-EDFA-46F8-A0E6-47380878CBB1@icloud.com><br class="">Content-Type: text/plain; charset="utf-8"<br class=""><br class="">Kubuntu 15.10<br class="">KDE Plasma Version: 5.6.90<br class="">KDE Frameworks Version: 5.21.0<br class="">Qt Version: 5.5.1<br class="">Kernel Version: 4.2.0-34-generic<br class="">OS Type: 64-bit<br class=""><br class="">System is fully updated.<br class=""><br class="">When selecting Configure Sources or Advanced > Configure Software Sources, a dialog window appears for entry of your password. The command shows it will execute with: ?attach 0 ?dont-update<br class=""><br class="">Typing your password and pressing the OK button results in:<br class=""><br class="">Canot execute command ? ? ?attach 0 ?dont-update?.<br class=""><br class=""><br class="">Paul Loughman<br class="">snowhg@icloud.com<br class=""><br class=""><br class=""><br class=""><br class="">-------------- next part --------------<br class="">An HTML attachment was scrubbed...<br class="">URL: <https://lists.ubuntu.com/archives/kubuntu-devel/attachments/20160315/888779db/attachment-0001.html><br class=""><br class="">------------------------------<br class=""><br class="">-- <br class="">kubuntu-devel mailing list<br class="">kubuntu-devel@lists.ubuntu.com<br class="">Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/kubuntu-devel<br class=""><br class=""><br class="">End of kubuntu-devel Digest, Vol 135, Issue 10<br class="">**********************************************<br class=""></div></div></blockquote></div><br class=""></div></body></html>