This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

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

Черный квадрат во вкладке.

В самое левой вкладке отображается какой-то черный квадрат - http://prntscr.com/pmkvhe. Как это можно исправить? Спасибо!

В самое левой вкладке отображается какой-то черный квадрат - http://prntscr.com/pmkvhe. Как это можно исправить? Спасибо!

Chosen solution

Hello serebryakkov, Please see this thread to see if it helps:

Firefox 68.0.2 (64-bit) appears strange black square on the top left corner at all times https://support.mozilla.org/en-US/questions/1267784

Read this answer in context 👍 1

All Replies (2)

Chosen Solution

Hello serebryakkov, Please see this thread to see if it helps:

Firefox 68.0.2 (64-bit) appears strange black square on the top left corner at all times https://support.mozilla.org/en-US/questions/1267784

Thanks bro!