Where did you install Firefox from? Help Mozilla uncover 3rd party websites that offer problematic Firefox installation by taking part in our campaign. There will be swag, and you'll be featured in our blog if you manage to report at least 10 valid reports!

搜尋 Mozilla 技術支援網站

防止技術支援詐騙。我們絕對不會要求您撥打電話或發送簡訊,或是提供個人資訊。請用「回報濫用」功能回報可疑的行為。

Learn More

What is code ‘XPCOM’ missing on my computer

  • 2 回覆
  • 0 有這個問題
  • 3 次檢視
  • 最近回覆由 Kiki

more options

Firefox will not start ‘could not load CODE XPCOM’ ?

Firefox will not start ‘could not load CODE XPCOM’ ?

所有回覆 (2)

more options

Your thread is at https://support.mozilla.org/en-US/questions/1438518

You posted this thread in the wrong place as it is the Firefox for iOS (for iPhone/iPad) section.

In future use https://support.mozilla.org/en-US/questions/new/desktop https://support.mozilla.org/en-US/questions/new/desktop/form in order to post your threads about (desktop) Firefox on Windows.

more options

I moved the thread to desktop.

@Phillips I found this old thread from 2018 (so I'm not really sure of the accuracy of the solution), but it might worth trying if that could fix your problem.