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.

Avatar for Username

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

This thread was archived. Əgər kömək lazımdırsa lütfən yeni sual verin.

Open external links in private-window

  • 4 cavab
  • 2 have this problem
  • 1 view
  • Last reply by Yaron

Yaron
Yaron
more options

On Windows, Firefox adds a pre-set command line to the Windows registry under 

   HKEY_CLASSES_ROOT\FirefoxHTML\shell\open\command
   HKEY_CLASSES_ROOT\FirefoxURL\shell\open\command

If you change the -url in the command line to -private-window -- from

"C:\Program Files (x86)\Mozilla Firefox\firefox.exe" -osint -url "%1"

to

"C:\Program Files (x86)\Mozilla Firefox\firefox.exe" -osint -private-window "%1"

-- then all external links launch in a private window.

jscher2000 in https://support.mozilla.org/en-US/questions/1119073

This no longer works in FF 69. As soon as I modify "HKEY_CLASSES_ROOT\FirefoxURL-F66A7FFE1BF331E2\shell\open\command", FF is detecting it and changes its status to "NOT your default browser".

I'd appreciate your help.

On Windows, Firefox adds a pre-set command line to the Windows registry under HKEY_CLASSES_ROOT\FirefoxHTML\shell\open\command HKEY_CLASSES_ROOT\FirefoxURL\shell\open\command If you change the -url in the command line to -private-window -- from "C:\Program Files (x86)\Mozilla Firefox\firefox.exe" -osint -url "%1" to "C:\Program Files (x86)\Mozilla Firefox\firefox.exe" -osint -private-window "%1" -- then all external links launch in a private window. --------- jscher2000 in https://support.mozilla.org/en-US/questions/1119073 This no longer works in FF 69. As soon as I modify "HKEY_CLASSES_ROOT\FirefoxURL-F66A7FFE1BF331E2\shell\open\command", FF is detecting it and changes its status to "NOT your default browser". I'd appreciate your help.

Modified by Yaron

Chosen solution

@radar81,

Yes, I've found a solution.

Use:

[HKEY_CLASSES_ROOT\FirefoxHTML-F66A7FFE1BF441E2\shell\open\command] @="\"C:\\Program Files\\Mozilla Firefox New\\firefox.exe\" -private-window \"%1\""

[HKEY_CLASSES_ROOT\FirefoxURL-F66A7FFE1BF441E2\shell\open\command] @="\"C:\\Program Files\\Mozilla Firefox New\\firefox.exe\" -private-window \"%1\""

Replace the path and "-F66A7FFE1BF441E2" with your strings.

The status in FF preferences will change to "NOT your default browser" but *it will actually remain the default browser*.

Regards.

Read this answer in context 👍 1

All Replies (4)

radar81
radar81
more options

I am also wanting to do set external links to launch in a private window by default. I also tried the same solution proposed by jscher2000 in https://support.mozilla.org/en-US/questions/1119073 and found that it no longer works. Were you able to find a solution? Thanks!

Yaron
Yaron Question owner
more options

Seçilmiş Həll

@radar81,

Yes, I've found a solution.

Use:

[HKEY_CLASSES_ROOT\FirefoxHTML-F66A7FFE1BF441E2\shell\open\command] @="\"C:\\Program Files\\Mozilla Firefox New\\firefox.exe\" -private-window \"%1\""

[HKEY_CLASSES_ROOT\FirefoxURL-F66A7FFE1BF441E2\shell\open\command] @="\"C:\\Program Files\\Mozilla Firefox New\\firefox.exe\" -private-window \"%1\""

Replace the path and "-F66A7FFE1BF441E2" with your strings.

The status in FF preferences will change to "NOT your default browser" but *it will actually remain the default browser*.

Regards.

Modified by Yaron

radar81
radar81
more options

@Yaron It works, thanks so much!

Yaron
Yaron Question owner
more options

You're welcome.