Phyrox ESR portable app made with Lightdesk. Run Mozilla Firefox ESR as a portable app. 58 Download and install the latest portable setup where you want then run phyrox-esr-portable.exe. If you have already installed Firefox ESR from the original setup, move the following files : %APPDATA%\Mozilla\Firefox\Profiles\*.default\* to data\profile\default Then run phyrox-esr-portable.exe and remove Firefox ESR from your computer. Upgrade For an upgrade, simply download and…