Set Firefox as Default browser

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nextmaritime - Victor Martinez

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Apr 28, 2021, 12:08:43 PM4/28/21

to enter...@mozilla.org

Hi Team,

I used to set Firefox ESR as default browser by GPO… pointing to an xml file with custom file association.

Lately, in some computers it doesn’t work.

Then I have realized that in some computers (all same Windows/FF version) when I export the file association the result is not the same…

This is my working (so far) file:

<DefaultAssociations>

<Association Identifier=".pdf" ProgId="Acrobat.Document.11" ApplicationName="Adobe Acrobat" />

<Association Identifier=".htm" ProgId="FirefoxHTML" ApplicationName="Firefox" />

<Association Identifier=".html" ProgId="FirefoxHTML" ApplicationName="Firefox" />

<Association Identifier=".url" ProgId="IE.AssocFile.URL" ApplicationName="Internet Browser" />

<Association Identifier=".website" ProgId="IE.AssocFile.WEBSITE" ApplicationName="Internet Explorer" />

<Association Identifier="http" ProgId="FirefoxURL" ApplicationName="Firefox" />

<Association Identifier="https" ProgId="FirefoxURL" ApplicationName="Firefox" />

<Association Identifier=".bmp" ProgId="PhotoViewer.FileAssoc.Tiff" ApplicationName="Visualizador de fotos de Windows" />

<Association Identifier=".cr2" ProgId="PhotoViewer.FileAssoc.Tiff" ApplicationName="Visualizador de fotos de Windows" />

<Association Identifier=".gif" ProgId="PhotoViewer.FileAssoc.Tiff" ApplicationName="Visualizador de fotos de Windows" />

<Association Identifier=".ico" ProgId="PhotoViewer.FileAssoc.Tiff" ApplicationName="Visualizador de fotos de Windows" />

<Association Identifier=".jfif" ProgId="PhotoViewer.FileAssoc.Tiff" ApplicationName="Visualizador de fotos de Windows" />

<Association Identifier=".jpeg" ProgId="PhotoViewer.FileAssoc.Tiff" ApplicationName="Visualizador de fotos de Windows" />

<Association Identifier=".jpg" ProgId="PhotoViewer.FileAssoc.Tiff" ApplicationName="Visualizador de fotos de Windows" />

<Association Identifier=".png" ProgId="PhotoViewer.FileAssoc.Tiff" ApplicationName="Visualizador de fotos de Windows" />

<Association Identifier=".tif" ProgId="PhotoViewer.FileAssoc.Tiff" ApplicationName="Visualizador de fotos de Windows" />

<Association Identifier=".tiff" ProgId="PhotoViewer.FileAssoc.Tiff" ApplicationName="Visualizador de fotos de Windows" />

<Association Identifier=".wdp" ProgId="PhotoViewer.FileAssoc.Tiff" ApplicationName="Visualizador de fotos de Windows" />

</DefaultAssociations>

I have tried this from official support and doesn’t work:
https://support.mozilla.org/en-US/kb/make-firefox-enterprise-default-browser

<DefaultAssociations>

<Association Identifier=".htm" ProgId="FirefoxHTML" ApplicationName="Firefox" />

<Association Identifier=".html" ProgId="FirefoxHTML" ApplicationName="Firefox" />

<Association Identifier="http" ProgId="FirefoxHTML" ApplicationName="Firefox" />

<Association Identifier="https" ProgId="FirefoxHTML" ApplicationName="Firefox" />

</DefaultAssociations>

If export the association file on not working PC (after manually set Firefox as default) get this:
Note #1: that is not trimed in case you find some kind of conflict
Note #2: The Firefox lines has a strange string “E7CF176E110C211B” that I suspect is the guilty

<?xml version="1.0" encoding="UTF-8"?>

<DefaultAssociations>

<Association Identifier=".7z" ProgId="Applications\7zFM.exe" ApplicationName="7-Zip File Manager" />

<Association Identifier=".arj" ProgId="Applications\7zFM.exe" ApplicationName="7-Zip File Manager" />

<Association Identifier=".bmp" ProgId="PhotoViewer.FileAssoc.Tiff" ApplicationName="Windows Photo Viewer" />

<Association Identifier=".bz2" ProgId="Applications\7zFM.exe" ApplicationName="7-Zip File Manager" />

<Association Identifier=".bzip" ProgId="Applications\7zFM.exe" ApplicationName="7-Zip File Manager" />

<Association Identifier=".cab" ProgId="Applications\7zFM.exe" ApplicationName="7-Zip File Manager" />

<Association Identifier=".cpio" ProgId="Applications\7zFM.exe" ApplicationName="7-Zip File Manager" />

<Association Identifier=".cr2" ProgId="PhotoViewer.FileAssoc.Tiff" ApplicationName="Windows Photo Viewer" />

<Association Identifier=".deb" ProgId="Applications\7zFM.exe" ApplicationName="7-Zip File Manager" />

<Association Identifier=".dmg" ProgId="Applications\7zFM.exe" ApplicationName="7-Zip File Manager" />

<Association Identifier=".fat" ProgId="Applications\7zFM.exe" ApplicationName="7-Zip File Manager" />

<Association Identifier=".gif" ProgId="PhotoViewer.FileAssoc.Tiff" ApplicationName="Windows Photo Viewer" />

<Association Identifier=".gz" ProgId="Applications\7zFM.exe" ApplicationName="7-Zip File Manager" />

<Association Identifier=".gzip" ProgId="Applications\7zFM.exe" ApplicationName="7-Zip File Manager" />

<Association Identifier=".hfs" ProgId="Applications\7zFM.exe" ApplicationName="7-Zip File Manager" />

<Association Identifier=".htm" ProgId="FirefoxHTML-E7CF176E110C211B" ApplicationName="Firefox" />

<Association Identifier=".html" ProgId="FirefoxHTML-E7CF176E110C211B" ApplicationName="Firefox" />

<Association Identifier=".ico" ProgId="PhotoViewer.FileAssoc.Tiff" ApplicationName="Windows Photo Viewer" />

<Association Identifier=".inf" ProgId="inffile" ApplicationName="Notepad" />

<Association Identifier=".ini" ProgId="inifile" ApplicationName="Notepad" />

<Association Identifier=".jfif" ProgId="PhotoViewer.FileAssoc.Tiff" ApplicationName="Windows Photo Viewer" />

<Association Identifier=".jpeg" ProgId="PhotoViewer.FileAssoc.Tiff" ApplicationName="Windows Photo Viewer" />

<Association Identifier=".jpg" ProgId="PhotoViewer.FileAssoc.Tiff" ApplicationName="Windows Photo Viewer" />

<Association Identifier=".lha" ProgId="Applications\7zFM.exe" ApplicationName="7-Zip File Manager" />

<Association Identifier=".log" ProgId="txtfile" ApplicationName="Notepad" />

<Association Identifier=".lzh" ProgId="Applications\7zFM.exe" ApplicationName="7-Zip File Manager" />

<Association Identifier=".MP2" ProgId="WMP11.AssocFile.MP3" ApplicationName="Windows Media Player" />

<Association Identifier=".ntfs" ProgId="Applications\7zFM.exe" ApplicationName="7-Zip File Manager" />

<Association Identifier=".oxps" ProgId="Windows.XPSReachViewer" ApplicationName="XPS Viewer" />

<Association Identifier=".pdf" ProgId="Acrobat.Document.11" ApplicationName="Adobe Acrobat" />

<Association Identifier=".png" ProgId="PhotoViewer.FileAssoc.Tiff" ApplicationName="Windows Photo Viewer" />

<Association Identifier=".ps1" ProgId="Microsoft.PowerShellScript.1" ApplicationName="Notepad" />

<Association Identifier=".psd1" ProgId="Microsoft.PowerShellData.1" ApplicationName="Notepad" />

<Association Identifier=".psm1" ProgId="Microsoft.PowerShellModule.1" ApplicationName="Notepad" />

<Association Identifier=".rar" ProgId="Applications\7zFM.exe" ApplicationName="7-Zip File Manager" />

<Association Identifier=".rpm" ProgId="Applications\7zFM.exe" ApplicationName="7-Zip File Manager" />

<Association Identifier=".scp" ProgId="txtfile" ApplicationName="Notepad" />

<Association Identifier=".squashfs" ProgId="Applications\7zFM.exe" ApplicationName="7-Zip File Manager" />

<Association Identifier=".svg" ProgId="MSEdgeHTM" ApplicationName="Microsoft Edge" />

<Association Identifier=".tar" ProgId="Applications\7zFM.exe" ApplicationName="7-Zip File Manager" />

<Association Identifier=".taz" ProgId="Applications\7zFM.exe" ApplicationName="7-Zip File Manager" />

<Association Identifier=".tbz" ProgId="Applications\7zFM.exe" ApplicationName="7-Zip File Manager" />

<Association Identifier=".tbz2" ProgId="Applications\7zFM.exe" ApplicationName="7-Zip File Manager" />

<Association Identifier=".tgz" ProgId="Applications\7zFM.exe" ApplicationName="7-Zip File Manager" />

<Association Identifier=".tif" ProgId="PhotoViewer.FileAssoc.Tiff" ApplicationName="Windows Photo Viewer" />

<Association Identifier=".tiff" ProgId="PhotoViewer.FileAssoc.Tiff" ApplicationName="Windows Photo Viewer" />

<Association Identifier=".tpz" ProgId="Applications\7zFM.exe" ApplicationName="7-Zip File Manager" />

<Association Identifier=".txt" ProgId="txtfile" ApplicationName="Notepad" />

<Association Identifier=".txz" ProgId="Applications\7zFM.exe" ApplicationName="7-Zip File Manager" />

<Association Identifier=".url" ProgId="IE.AssocFile.URL" ApplicationName="Internet Browser" />

<Association Identifier=".wdp" ProgId="PhotoViewer.FileAssoc.Tiff" ApplicationName="Windows Photo Viewer" />

<Association Identifier=".website" ProgId="IE.AssocFile.WEBSITE" ApplicationName="Internet Explorer" />

<Association Identifier=".wtx" ProgId="txtfile" ApplicationName="Notepad" />

<Association Identifier=".xps" ProgId="Windows.XPSReachViewer" ApplicationName="XPS Viewer" />

<Association Identifier=".xz" ProgId="Applications\7zFM.exe" ApplicationName="7-Zip File Manager" />

<Association Identifier=".z" ProgId="Applications\7zFM.exe" ApplicationName="7-Zip File Manager" />

<Association Identifier=".zip" ProgId="Applications\7zFM.exe" ApplicationName="7-Zip File Manager" />

<Association Identifier="bingmaps" ProgId="AppXp9gkwccvk6fa6yyfq3tmsk8ws2nprk1p" ApplicationName="Maps" />

<Association Identifier="http" ProgId="FirefoxURL-E7CF176E110C211B" ApplicationName="Firefox" />

<Association Identifier="https" ProgId="FirefoxURL-E7CF176E110C211B" ApplicationName="Firefox" />

<Association Identifier="mapi" ProgId="Outlook.Shell" />

<Association Identifier="microsoft-edge" ProgId="MSEdgeHTM" ApplicationName="Microsoft Edge" />

<Association Identifier="microsoft-edge-holographic" ProgId="MSEdgeHTM" ApplicationName="Microsoft Edge" />

<Association Identifier="ms-xbl-3d8b930f" ProgId="MSEdgeHTM" ApplicationName="Microsoft Edge" />

<Association Identifier="read" ProgId="MSEdgeHTM" ApplicationName="Microsoft Edge" />

</DefaultAssociations>

Hope you can help me to set Firefox as Default browser.

Many thanks for your time!

Victor

Jeremy Moskowitz

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Apr 28, 2021, 12:32:44 PM4/28/21

to enter...@mozilla.org, nextmaritime - Victor Martinez

If you want to make this consistent, consider PP Browser Router: https://www.policypak.com/policies/browser-router/ or

PolicyPak File Associations manager https://www.policypak.com/policies/file-associations-manager/

which would make quick work of this problem.

EVERS Andre

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Apr 29, 2021, 3:23:07 AM4/29/21

to Jeremy Moskowitz, enter...@mozilla.org, nextmaritime - Victor Martinez

hello,

You can use this tools, it"s free :

for default browser : https://kolbi.cz/blog/2017/11/10/setdefaultbrowser-set-the-default-browser-per-user-on-windows-10-and-server-2016-build-1607/

for file association : https://kolbi.cz/blog/2017/10/25/setuserfta-userchoice-hash-defeated-set-file-type-associations-per-user/

Cordialement,

EVERS André
Administrateur Windows&Citrix
CONSEIL DEPARTEMENTAL DE L'ARIEGE
Tél Externe : 05-61-02-09-69 - Tél Interne : 09-69 - Mail : aev...@ariege.fr

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