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!

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.

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

Hi, I have a problem there is a siderbar at right side of my browser and i can not close it. this sidebar filled with blue gradient color and is empty. tnx

  • 3 replies
  • 1 has this problem
  • 11 views
  • Last reply by mehdi80

more options

Hi, I have a problem. there is a sidebar at right side of my browser and i can not close it. this sidebar filled with windows 7 color theme and is empty. how can i remove this space :-/ tnx

Hi, I have a problem. there is a sidebar at right side of my browser and i can not close it. this sidebar filled with windows 7 color theme and is empty. how can i remove this space :-/ tnx

All Replies (3)

more options

Hi, can you take a Screenshot to see what that sidebar is?

thank you

more options

Chosen Solution

more options

thank you all. I removed and installed FireFox again and it works fine.

)