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.

ค้นหาฝ่ายสนับสนุน

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.

เรียนรู้เพิ่มเติม

Get a null error every time I try to open a new window.

  • 1 การตอบกลับ
  • 4 คนมีปัญหานี้
  • 15 ครั้งที่ดู
  • ตอบกลับล่าสุดโดย TonyE

more options

Every time I try to start Firefox or open a new window. I get the below error. This does not happen with explore or chrome.

[JavaScript Application] TypeError: xml is null

Every time I try to start Firefox or open a new window. I get the below error. This does not happen with explore or chrome. [JavaScript Application] TypeError: xml is null

การตอบกลับทั้งหมด (1)

more options

This may be caused by a problem with an extension, to test this follow the procedure in the Troubleshoot extensions, themes and hardware acceleration issues to solve common Firefox problems article.