MINI

C:/Users/siak_kaltara/AppData/Roaming/Mozilla/Firefox/Profiles/w6ftfy7h.default/

files >> C:/Users/siak_kaltara/AppData/Roaming/Mozilla/Firefox/Profiles/w6ftfy7h.default/compatibility.ini

 [Compatibility]
LastVersion=38.0.1_20150513174244/20150513174244
LastOSABI=WINNT_x86-msvc
LastPlatformDir=C:\Program Files (x86)\Mozilla Firefox
LastAppDir=C:\Program Files (x86)\Mozilla Firefox\browser