Firefox ESR gibt es aktuell in der Version 45.2.0. Für das Update (inkl. Supersedence) habe ich unten das passende Script angehängt.
Download unter: https://www.mozilla.org/en-US/firefox/organizations/all/
<appdefinition>
<file>Firefox Setup 45.2.0esr.exe</file>
<hash type="SHA256">CA99927AA526C7C002C137337BFA0A1CB2C9118F8C7568F1F3B5C6DCDBAEEE08</hash>
<info>
<company>Mozilla Corporation</company>
<productName>Mozilla Firefox</productName>
<productversion>45.2.0</productversion>
<setupType>NSIS</setupType>
<isX86>true</isX86>
<hasUninstall>true</hasUninstall>
</info>
<install>
$inf=Join-Path $env:temp firefox.ini
$content="[Install]
QuickLaunchShortcut=false
DesktopShortcut=false
MaintenanceService=false" -replace "`n", "`r`n"
Out-File -FilePath $inf -Force -InputObject $content -Encoding ascii
Show-InstallationProgress -StatusMessage "Installing $appName $appVersion. This may take some time. Please wait..."
Execute-Process -Path "Firefox Setup 45.2.0esr.exe" -Parameters "/INI=`"$inf`"" -WindowStyle Hidden
</install>
<uninstall>
if ([IntPtr]::Size -eq 8) {$regPath="HKLM:\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\*"} else { $regPath="HKLM:\Software\Microsoft\Windows\CurrentVersion\Uninstall\*"}
$item=Get-ItemProperty $regPath | where {$_.DisplayName -like "*Mozilla Firefox*" -and $_.DisplayVersion -eq "45.2.0"}
Execute-Process -Path ($item.UninstallString -replace "`"", "") -Parameters "/S"
</uninstall>
<detection/>
<dependency/>
<supersedence>
<deploymentType uninstall="false" type="SHA256">8CA1EC61B9DF30DDCEF3E7CE5234C2BEF6EC7C9C3A4B51F57C67FC9E8822E7FB</deploymentType><!--38.2.0-->
<deploymentType uninstall="false" type="SHA256">40DC3DF8C548819733386B70791DB753793E98C5F08283001D851A204376F017</deploymentType><!--38.2.1-->
<deploymentType uninstall="false" type="SHA256">FDC5BAA6033918E7FE8018DE130F16A23896B623B0B4F60A8EA578759C2DD29C</deploymentType><!--38.6.0-->
<deploymentType uninstall="false" type="SHA256">771A00786C69F7290A25C495A03622B4616C21D6A062BC712F55E0AE0282C219</deploymentType><!--38.6.1-->
<deploymentType uninstall="false" type="SHA256">85B1438D427FB6C9A52415BF46239AD491FD30EA410698ECDE256D0BC9AE7DB4</deploymentType><!--45.0.0-->
<deploymentType uninstall="false" type="SHA256">4477B833266C0ED9306AFC8347A547C1D27AB854C0438BC353A943C00774CAFD</deploymentType><!--45.0.1-->
</supersedence>
</appdefinition>
