Join the AMA (Ask Me Anything) with the Firefox leadership team to celebrate Firefox 20th anniversary and discuss Firefox’s future on Mozilla Connect. Mark your calendar on Thursday, November 14, 18:00 - 20:00 UTC!

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

The red close window button doesn't work. I have to right-click on the taskbar icon to close firefox.

more options

the red "X" to close the firefox window stopped working. It just flashes when I click it, and nothing happens. I have to right click the firefox icon in the taskbar to close firefox now.

This happened

Every time Firefox opened

== just a few days ago, I have no idea why. I haven't made any recent changes to firefox.

the red "X" to close the firefox window stopped working. It just flashes when I click it, and nothing happens. I have to right click the firefox icon in the taskbar to close firefox now. == This happened == Every time Firefox opened == just a few days ago, I have no idea why. I haven't made any recent changes to firefox.

All Replies (2)

more options
more options

Hi, Indeed disabling add-ins and restoring the default theme work. From there on, the themes that do not work in my system [WIN7] are

FT Sleek Dark Small Ring

But, the issue is that they DID work until some days ago so this needs looking into...