1788940 - An error message is displayed in the “Browser Console” when Firefox is set as the default browser

Status: NEW

(Firefox :: Shell Integration, defect)

Description

[Cornel Bulz [cbulz],Ecosystem QA]

Attachment: Screenshot 2022-09-02 at 17.40.16.png

[Notes]:

• This issue is reproducible if Firefox is set as the default browser from the “about:welcome” page, upgrading users modal, and the “Set default” browser prompt.
• This issue is not reproducible on Windows.

[Affected versions]:

• Firefox Nightly 106.0a1 - Build ID: 20220902093009
• Firefox Beta 105.0b6 - Build ID: 20220901185735
• Firefox Release 104.0.1 - Build ID: 20220829141339

[Affected Platforms]:

• macOS 12.4
• Linux Mint 20.2 x64

[Prerequisites]:

• Firefox is not set as the default browser.
• Have the “Browser Console” opened. (Ctrl/Cmd+Shift+J)

[Steps to reproduce]:

1. Open the browser using the profile from prerequisites.
2. Navigate to the “about:preferences” page.
3. Click the “Make default” button from the top of the page.
4. Focus the “Browser Console” and observe the output.

[Expected result]:

• No error messages are displayed in the “Browser Console”.

[Actual result]:

• The following error message is displayed in the “Browser Console”:

Exception... "Component returned failure code: 0x80004005 (NS_ERROR_FAILURE) [nsIShellService.setDefaultBrowser]" nsresult: "0x80004005 (NS_ERROR_FAILURE)" location: "JS frame :: resource:///modules/ShellService.jsm :: setDefaultBrowser :: line 350" data: no] .

[Additional Notes]:

• Attached is a screenshot of the issue: