Have you seen this? https://support.mozilla.org/en-US/questions/1172126
You should be able to set up your Project to have the output go straight to your local webserver and have the debugger launch that localhost URL when you start the debugger. And, FWIW, testing from a local web server is a good idea at some point since file:// has a different security model and it matters to some apps. HTH, -Alex On 1/16/18, 10:20 PM, "Fred Brunton" <fbrun...@lumina.com> wrote: >Hi all, > >Puzzling problem. My flex application will not run when launched from >Flash Builder in FireFox. This happens even with a simple flex example >application. > >In FireFox, I get a spurious message about flash not being installed (or >not being a new enough release). When launched from Flash Builder, the >url >is: > > >file:///C:/Users/PC/Adobe%20Flash%20Builder%204.7/browserTest/bin-debug/br >owserTest.html > > >When I run the same page in a local webserver, it works fine >http://localhost:12340/deleteMe/browserTest.html > > >See screenshot here: > > >https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.analyt >icaonline.com%2Ffred%2FffScreen.png&data=02%7C01%7Caharui%40adobe.com%7C30 >c66d0f7cfa435febf108d55d727083%7Cfa7b1b5a7b34438794aed2c178decee1%7C0%7C0% >7C636517668469765847&sdata=WRf2L5RkkuWF7bkf2DbLQs2iD6NVvc4o6lRxaC5N9fo%3D& >reserved=0 > > > >It’s important for me to get this working in FireFox because I want to use >the debugger to step through the code. > > >Any ideas? > > >Cheers, > >Fred > > >PS - here's the hmtl page generated by Flash Builder: > > ><!-- Licensed to the Apache Software Foundation (ASF) under one or >more contributor license agreements. See the NOTICE file distributed >with this work for additional information regarding copyright >ownership. The ASF licenses this file to You under the Apache >License, Version 2.0 (the "License"); you may not use this file >except in compliance with the License. You may obtain a copy of the >License at >https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.apache >.org%2Flicenses%2FLICENSE-2.0&data=02%7C01%7Caharui%40adobe.com%7C30c66d0f >7cfa435febf108d55d727083%7Cfa7b1b5a7b34438794aed2c178decee1%7C0%7C0%7C6365 >17668469765847&sdata=7ZsMWmKbezhOxm7LdRKdP339ybd4ouJf6WSMD450tN0%3D&reserv >ed=0 Unless >required by applicable law or agreed to in writing, software >distributed under the License is distributed on an "AS IS" BASIS, >WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or >implied. See the License for the specific language governing >permissions and limitations under the License.--><!DOCTYPE html >PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" >"https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.w3.or >g%2FTR%2Fxhtml1%2FDTD%2Fxhtml1-transitional.dtd&data=02%7C01%7Caharui%40ad >obe.com%7C30c66d0f7cfa435febf108d55d727083%7Cfa7b1b5a7b34438794aed2c178dec >ee1%7C0%7C0%7C636517668469765847&sdata=eEsMyJuOO5xNeC0Vqt9KM%2BOAMB1APyqgz >La1UyfWpos%3D&reserved=0"><!-- saved >from url=(0014)about:internet --><html >xmlns="https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww >.w3.org%2F1999%2Fxhtml&data=02%7C01%7Caharui%40adobe.com%7C30c66d0f7cfa435 >febf108d55d727083%7Cfa7b1b5a7b34438794aed2c178decee1%7C0%7C0%7C63651766846 >9765847&sdata=q6hKjPffIi9%2BjmHFN9QU2amWP38bpijj3t3j8YjRe38%3D&reserved=0" > lang="en" xml:lang="en"> <!-- > Smart developers always View Source. This application was >built using Apache Flex, an open source framework for building rich >Internet applications that get delivered via the Flash Player or to >desktops and mobile phones via Adobe AIR. Learn more about >Flex at >https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fflex.apach >e.org&data=02%7C01%7Caharui%40adobe.com%7C30c66d0f7cfa435febf108d55d727083 >%7Cfa7b1b5a7b34438794aed2c178decee1%7C0%7C0%7C636517668469765847&sdata=%2F >mcGlEUpbGzQOljfYzXv7WCJeyUzZcgOWA9Rvgv%2BFDs%3D&reserved=0 // --> ><head> ><title></title> <meta name="google" value="notranslate" /> > <meta http-equiv="Content-Type" content="text/html; >charset=utf-8" /> <!-- Include CSS to eliminate any default >margins/padding and set the height of the html element and > the body element to 100%, because Firefox, or any Gecko based >browser, interprets percentage as the percentage of the >height of its parent container, which has to be set explicitly. Fix >for Firefox 3.6 focus border issues. Initially, don't >display flashContent div so it won't show if JavaScript >disabled. --> <style type="text/css" media="screen"> > html, body { height:100%; } body { margin:0; >padding:0; overflow:auto; text-align:center; >background-color: #ffffff; } object:focus { >outline:none; } #flashContent { display:none; } ></style> <!-- Enable Browser History by replacing >useBrowserHistory tokens with two hyphens --> <!-- BEGIN >Browser History required section --> <link rel="stylesheet" >type="text/css" href="history/history.css" /> <script >type="text/javascript" src="history/history.js"></script> <!-- >END Browser History required section --> <script >type="text/javascript" src="swfobject.js"></script> <script >type="text/javascript"> // For version detection, set to >min. required Flash Player version, or 0 (or 0.0.0), for no version >detection. var swfVersionStr = "11.1.0"; // To >use express install, set to playerProductInstall.swf, otherwise the >empty string. var xiSwfUrlStr = >"playerProductInstall.swf"; var flashvars = {}; >var params = {}; params.quality = "high"; >params.bgcolor = "#ffffff"; params.allowscriptaccess = >"sameDomain"; params.allowfullscreen = "true"; >var attributes = {}; attributes.id = "browserTest"; > attributes.name = "browserTest"; attributes.align = >"middle"; swfobject.embedSWF( >"browserTest.swf", "flashContent", "100%", "100%", > swfVersionStr, xiSwfUrlStr, flashvars, >params, attributes); // JavaScript enabled so display the >flashContent div in case it is not replaced with a swf object. > swfobject.createCSS("#flashContent", >"display:block;text-align:left;"); </script> </head> ><body> <!-- SWFObject's dynamic embed method replaces this >alternative HTML content with Flash content when enough >JavaScript and Flash plug-in support is available. The div is >initially hidden so that it doesn't show when JavaScript >is disabled. --> <div id="flashContent"> <p> > To view this page ensure that Adobe Flash Player version > 11.1.0 or greater is installed. </p> > <script type="text/javascript"> var pageHost = >((document.location.protocol == "https:") ? "https://" : "http://"); > document.write("<a >href='http://www.adobe.com/go/getflashplayer'><img src='" > + pageHost + >"https://na01.safelinks.protection.outlook.com/?url=www.adobe.com%2Fimages >%2Fshared%2Fdownload_buttons%2Fget_flash_player.gif&data=02%7C01%7Caharui% >40adobe.com%7C30c66d0f7cfa435febf108d55d727083%7Cfa7b1b5a7b34438794aed2c17 >8decee1%7C0%7C0%7C636517668469765847&sdata=%2FSsDT158oQTHeZBTrmKWOO%2F4nWb >a4kWZU%2FH2CQHi4Zc%3D&reserved=0' >alt='Get Adobe Flash player' /></a>" ); </script> ></div> <noscript> <object >classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" width="100%" >height="100%" id="browserTest"> <param name="movie" >value="browserTest.swf" /> <param name="quality" >value="high" /> <param name="bgcolor" value="#ffffff" >/> <param name="allowScriptAccess" value="sameDomain" >/> <param name="allowFullScreen" value="true" /> > <!--[if !IE]>--> <object >type="application/x-shockwave-flash" data="browserTest.swf" >width="100%" height="100%"> <param name="quality" >value="high" /> <param name="bgcolor" >value="#ffffff" /> <param name="allowScriptAccess" >value="sameDomain" /> <param name="allowFullScreen" >value="true" /> <!--<![endif]--> <!--[if >gte IE 6]>--> <p> Either >scripts and active content are not permitted to run or Adobe Flash >Player version 11.1.0 or greater is not >installed. </p> <!--<![endif]--> > <a href="http://www.adobe.com/go/getflashplayer"> > <img >src="http://www.adobe.com/images/shared/download_buttons/get_flash_player. >gif" >alt="Get Adobe Flash Player" /> </a> ><!--[if !IE]>--> </object> ><!--<![endif]--> </object> </noscript> ></body></html>