[Tutorial] Disable Splash Screen on Firefox Portable

1. Copy the \FireFoxPortable\Other\Source\FirefoxPortable.ini to the \FirefoxPortable (or where FirefoxPortable.exe exist) or you can create a file and name it FirefoxPortable.ini

2. Make sure the content of the file is like below (especially the DisableSplashScreen):
[FirefoxPortable]
FirefoxDirectory=App\firefox
ProfileDirectory=Data\profile
SettingsDirectory=Data\settings
PluginsDirectory=Data\plugins
FirefoxExecutable=firefox.exe
AdditionalParameters=
LocalHomepage=
DisableSplashScreen=true
AllowMultipleInstances=false
DisableIntelligentStart=false
SkipCompregFix=false
RunLocally=false