Windows 10 reached EOS (end of support) on October 14, 2025. If you are on Windows 10, see this article.

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More
Open

Firefox is already running but is not responding" error

SuMo Bot replied
ravikiranumachagi555

helpfdbdfbdfbf

helpfdbdfbdfbf
Attached screenshots

All Replies (1)

So did you close Firefox, you say nothing about what you tried.

You may have another open but hidden.

Try at least restarting the OS. If you use Windows use [Restart] not [Shut Down]

Sual ver

You must log in to your account to reply to posts. Please start a new question, if you do not have an account yet.