Join the Mozilla’s Test Days event from Dec 2–8 to test the new Firefox address bar on Firefox Beta 134 and get a chance to win Mozilla swag vouchers! 🎁

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

Firefox tries to open unknown type files which leads to crash

  • 2 replies
  • 1 has this problem
  • 5 views
  • Last reply by cor-el

more options

Firefox tries to open unknown type files which leads to crash

I just started using portable firefox 3.6.8

when I wanted to download some files, the firefox was trying to open the file instead ask me what to do or save it.

There is no such file type under "Tools-Options-application". So I can't change its' action . It seem that my firefox's default action is trying to open it. Looks like it's different from others.

How can I let firefox ask me what to do when it runs into a unknown type file? (with a different extended file name for example filename.xxx ).

ps. I have used firefox 2.0 for more than 3 years. and I never encounter that problem.

Firefox tries to open unknown type files which leads to crash I just started using portable firefox 3.6.8 when I wanted to download some files, the firefox was trying to open the file instead ask me what to do or save it. There is no such file type under "Tools-Options-application". So I can't change its' action . It seem that my firefox's default action is trying to open it. Looks like it's different from others. How can I let firefox ask me what to do when it runs into a unknown type file? (with a different extended file name for example filename.xxx ). ps. I have used firefox 2.0 for more than 3 years. and I never encounter that problem.

Modified by mmejiay

All Replies (2)

more options

Thanks in advance

Modified by mmejiay

more options

See "File handling in Firefox 3 and SeaMonkey 2" and "Reset Download Actions"

http://kb.mozillazine.org/File_types_and_download_actions