<div dir="ltr"><div>Hi,</div><div><br></div><div>Years that I'm using the osgeo4w installer (advanced install) with three concurrent releases minimum (ltr, current release, dev, and sometimes ltr-dev) and I can't recall on any issue I got due to this situation.</div><div>And afaics there's nothing to be particularly careful of, it's just about click click click process and all got installed in the c:\osgeo4w64 folder.</div><div><br></div><div>Just wanted to share my experience.</div><div><br></div><div>Regards,</div><div>Harrissou<br></div><div><br></div></div><div class="gmail_extra"><br><div class="gmail_quote">2018-06-08 13:49 GMT+02:00 Philip Barlow <span dir="ltr"><<a href="mailto:philipb@pembrokeshirecoast.org.uk" target="_blank">philipb@pembrokeshirecoast.org.uk</a>></span>:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">AFAIK if you install QGIS with the standalone installer that just puts the application and everything it needs into a folder in program files. You may encounter
issues if you installed multiple versions with the osgeo4w installer if you aren’t careful.
<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><u></u> <u></u></span></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext" lang="EN-US">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext" lang="EN-US"> Qgis-user [mailto:<a href="mailto:qgis-user-bounces@lists.osgeo.org" target="_blank">qgis-user-bounces@<wbr>lists.osgeo.org</a>]
<b>On Behalf Of </b>Patrick Dunford<br>
<b>Sent:</b> 08 June 2018 11:01</span></p><div><div class="h5"><br>
<b>To:</b> qgis-user ML<br>
<b>Subject:</b> Re: [Qgis-user] Unable to load project<u></u><u></u></div></div><p></p>
</div>
</div><div><div class="h5">
<p class="MsoNormal"><u></u> <u></u></p>
<p>That may be the case for the application. However, depending on the installation, shared libraries may be overwritten when a new installation is carried out and cause older software versions to stop working.<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<div>
<p class="MsoNormal">On 08/06/18 20:11, Philip Barlow wrote:<u></u><u></u></p>
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<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">I am happily running 2.18.20, 3.0.3 and 3.1 (nightly builds) side by side on Windows 10. 2.x and 3.x store their user settings and plugins in different locations
so there are no conflicts.</span><u></u><u></u></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"> </span><u></u><u></u></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Phil</span><u></u><u></u></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"> </span><u></u><u></u></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext" lang="EN-US">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext" lang="EN-US"> Qgis-user [<a href="mailto:qgis-user-bounces@lists.osgeo.org" target="_blank">mailto:qgis-user-bounces@<wbr>lists.osgeo.org</a>]
<b>On Behalf Of </b>Patrick Dunford<br>
<b>Sent:</b> 08 June 2018 05:02<br>
<b>To:</b> qgis-user ML<br>
<b>Subject:</b> Re: [Qgis-user] Unable to load project</span><u></u><u></u></p>
</div>
</div>
<p class="MsoNormal"> <u></u><u></u></p>
<p>The Windows version of Qgis allows you to run multiple versions on your computer side by side. I personally haven't used the Windows version for several years so I can't be sure if you will have any issues running 3.0 alongside your current version. I run
many of the editions I have in virtual machines. If your PC has 8 GB or more of memory, or if you have access to another computer that can run Linux, then you can try it out in a Linux virtual machine or physical computer environment without disturbing your
current installation.<u></u><u></u></p>
<p class="MsoNormal"> <u></u><u></u></p>
<div>
<p class="MsoNormal">On 08/06/18 07:38, Springfield Harrison wrote:<u></u><u></u></p>
</div>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p>hello Patrick, thanks for your ideas. I will try the no plugins option.<u></u><u></u></p>
<p>The program will run with no project loaded and it will run older project files but has problems with newer ones for the same project.<u></u><u></u></p>
<p>I can load an older project file and then add newer layers to it and reconfigure them, Etc. This is very tedious but will amount to a recovery. It is better than starting from scratch for sure. But will the same problem reoccur?<u></u><u></u></p>
<p>I have contemplated migrating to version 3 but I'm always leery of upgrades of anything as they often bring problems with them. In this list I notice many references to installation issues and things not running. 2.10 is a devil I know.<u></u><u></u></p>
<p>can I expect any difficulties installing 3.0 +?<u></u><u></u></p>
<p>Cheers . . . . . Spring<br>
Samsung Tab 4<u></u><u></u></p>
<div>
<p class="MsoNormal">On Jun 7, 2018 1:30 AM, "Patrick Dunford" <<a href="mailto:enzedrailmaps@gmail.com" target="_blank">enzedrailmaps@gmail.com</a>> wrote:<u></u><u></u></p>
<div>
<p>Thre are a number of troubleshooting steps to try out<u></u><u></u></p>
<p>1. Start up qgis using the -noplugins switch or remove all installed plugins or test removing one at a time.<u></u><u></u></p>
<p>2. Backup the config file and start with a new empty config.<u></u><u></u></p>
<p>Qgis 2.10 is well out of support, is there any reason you can't migrate to 3.0?<u></u><u></u></p>
<p class="MsoNormal"> <u></u><u></u></p>
<div>
<p class="MsoNormal">On 07/06/18 18:28, Springfield Harrison wrote:<u></u><u></u></p>
</div>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p>hello Phil,<u></u><u></u></p>
<p>I did open the project file in Word, 2033 pages, and found 13 instances referring to the dxf file. Hard to say if anything was wrong there, nothing obvious. At least to me. Some other research I did indicates that maybe there is an authentication problem,
not sure just what that boils down to.<u></u><u></u></p>
<p>I don't think the dxf file is the problem. I renamed it and bypassed it on the startup routine which the program accepted but it still seized up with a spinning cursor. Some things still function, such as modifying the properties of a layer , Etc. But the
screen is blank and nothing can be saved.<u></u><u></u></p>
<p>For some time I have noticed that loading a project file bogs down for a while and then would resume to completion. Now it bogs down and blows up. The key message seems to be unknown exception.<u></u><u></u></p>
<p>Some older project files do load successfully however...<u></u><u></u></p>
<p>Cheers . . . . . Spring<br>
Samsung Tab 4<u></u><u></u></p>
<div>
<p class="MsoNormal">On Jun 6, 2018 11:15 PM, "Phil Wyatt" <<a href="mailto:phil@wyatt-family.com" target="_blank">phil@wyatt-family.com</a>> wrote:<u></u><u></u></p>
<div>
<div>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d" lang="EN-AU">Can you open a copy of the previous project file in something like notepad and see if
anything obvious can be fixed and or removed in relation to the DXF layer?</span><u></u><u></u></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d" lang="EN-AU"> </span><u></u><u></u></p>
<div>
<div style="border:none;border-top:solid #b5c4df 1.0pt;padding:3.0pt 0cm 0cm 0cm">
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext" lang="EN-US">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext" lang="EN-US">
Qgis-user [mailto:<a href="mailto:qgis-user-bounces@lists.osgeo.org" target="_blank">qgis-user-bounces@<wbr>lists.osgeo.org</a>]
<b>On Behalf Of </b>Springfield Harrison<br>
<b>Sent:</b> Thursday, 7 June 2018 1:36 PM<br>
<b>To:</b> <a href="mailto:qgis-user@lists.osgeo.org" target="_blank">qgis-user@lists.osgeo.org</a> List<br>
<b>Subject:</b> [Qgis-user] Unable to load project</span><u></u><u></u></p>
</div>
</div>
<p class="MsoNormal"><span lang="EN-AU"> </span><u></u><u></u></p>
<div>
<p class="MsoNormal"><span lang="EN-AU">Hello All,<br>
<br>
Bad News. I am unable to load a project that normally works with no problems:</span><u></u><u></u></p>
<ol start="1" type="1">
<li class="MsoNormal">
<span lang="EN-AU">QGIS 2.10.1, Windows 7.</span><u></u><u></u></li><li class="MsoNormal">
<span lang="EN-AU">Project starts to load, loads many layers . . .</span><u></u><u></u></li><li class="MsoNormal">
<span lang="EN-AU">halts loading "point Entity", a DXF file</span><u></u><u></u></li><li class="MsoNormal">
<span lang="EN-AU">the DXF file was renamed to trigger the Handle Bad Layers service</span><u></u><u></u></li><li class="MsoNormal">
<span lang="EN-AU">this was bypassed but project loading still fails to complete, cursor spinner on constantly</span><u></u><u></u></li><li class="MsoNormal">
<span lang="EN-AU">exiting with Save triggers "Unknown Exception"</span><u></u><u></u></li><li class="MsoNormal">
<span lang="EN-AU">the project file is trashed to 0kb</span><u></u><u></u></li><li class="MsoNormal">
<span lang="EN-AU">Exiting without Save is OK but no project can be loaded</span><u></u><u></u></li><li class="MsoNormal">
<span lang="EN-AU">Restoring previous project file versions yields the same results</span><u></u><u></u></li><li class="MsoNormal">
<span lang="EN-AU">Loading some other projects works but may have cursor spinner</span><u></u><u></u></li></ol>
<p><span lang="EN-AU">Any ideas what is going on here? I have rebooted the computer.</span><u></u><u></u></p>
<p><span lang="EN-AU">Thanks very much . . . .</span><u></u><u></u></p>
<p class="MsoNormal"><span lang="EN-AU"> </span><u></u><u></u></p>
<div>
<p class="MsoNormal"><span lang="EN-AU">Cheers . . . . . Springfield Harrison</span><u></u><u></u></p>
</div>
<p class="MsoNormal"><span lang="EN-AU"> </span><u></u><u></u></p>
</div>
<p class="MsoNormal"><span lang="EN-AU"> </span><u></u><u></u></p>
</div>
</div>
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