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

When I close Firefox and later reopen it, I get a box saying it is open and I must close it.

  • Tiada balasan
  • 0 ada masalah ini
  • Open

When I try to open Firefox, I get a box saying it is open, and I must close it. I do so, and a new Firefox pops up. However when I try to close that, it won't do so.

When I try to open Firefox, I get a box saying it is open, and I must close it. I do so, and a new Firefox pops up. However when I try to close that, it won't do so.

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