To do so, run install directory\uninstall\helper.exe with the command line parameter /S. The “/B” is very important! It tells copy that these are binary files so it doesn’t add extra characters to the files. To uninstall Firefox for Enterprise silently you have to uninstall from the command line. To concatenate the files and create the installer. This will create a file called app.7z that contains the changes.ĭownload the files and app.tag and save them in the same directory where the app.7z is located.Ĭopy /B +app.tag+app.7z our_new_installer.exe If locale package parameter is not present, this package installs Firefox in the first language which matches this list: If Firefox is already installed it uses the same language as the already installed one. Repackage Firefox by running this command in the directory where you unzipped Firefox.ħz a -r -t7z app.7z -mx -m0=BCJ2 -m1=LZMA:d24 -m2=LZMA:d19 -m3=LZMA:d19 -mb0:1 -mb0s1:2 -mb0s2:3 Make your changes to Firefox in the core subdirectory. You'll need to use 7-zip in order to unzip it. The stub installer is typically named "Firefox Installer.exe" whereas the full installer is named "Firefox Setup VERSION.exe." You can download full installer of Firefox Extended Support Release (ESR) from here and of rapid release from here. Make sure you download a full installer and not a stub installer. Windows installer shows the following error: 'This action is only valid for products that are currently installed' and Firefox is not uninstalled Expected Result: 2. Step 1: Download installerĭownload the installer that you want to repackage. Run the same MSI as the above with: msiexec.exe /x 'c:\MSi\test.msi' /lvx 'C:\msi\install.log' Actual Result: 1. Note: To see steps for the macOS, refer to Deploying Firefox Customizations on macOS.
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