'Firefox is already running, but is not responding' PROBLEM FIX 100% FREE & NO DOWNLOADS
У вашего броузера проблема в совместимости с HTML5
Steps:
Step 1: Uninstall Firefox
Step 2: Re-Install Firefox (Download if you don't have)
Step 3: After you install Firefox go to START-RUN and type this code %AppData%/Mozilla/Firefox (it will be in description so copy-paste)
Step 4: Open profiles.ini
Step 5: You will see Path=Profiles/xxxxxxxx.default
Step 6: Copy that code
Step 7: Open 'Profiles' folder. If it's empty create a new folder into it and name it with that code(xxxxxxxx.default)