Windows 10 reached EOS (end of support) on October 14, 2025. If you are on Windows 10, see this article.

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
เก็บถาวรแล้ว

I have Firefox 4.0. I downloaded Video Downloader extension. Cannot open it, get message that there is no app in which to open it. Please advise. Ralph

cor-el replied
ralphxp

I cannot open Video Downloader, get message there is no app in which to open it, although I have Firefox 4.0.

I cannot open Video Downloader, get message there is no app in which to open it, although I have Firefox 4.0.

การตอบกลับทั้งหมด (1)

If you saved the .xpi file to your computer then use File > Open File to install the extension.

If is easier to install the extension directly from the website and not download the file.