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Links from external applications aren't opening in Firefox

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When I have Firefox 67 (FF) set as my default browser in Windows 10, embedded hyperlinks in third party applications won't open in FF. If I change my default browser to Edge or Chrome these links will open in either application but if I switch back to FF as the default browser they won't open again in FF.

Is there a setting somewhere I could have accidentally set when implementing the privacy features within FF or is there some other reason someone can assist with as to why this would start happening.

Thanks.

When I have Firefox 67 (FF) set as my default browser in Windows 10, embedded hyperlinks in third party applications won't open in FF. If I change my default browser to Edge or Chrome these links will open in either application but if I switch back to FF as the default browser they won't open again in FF. Is there a setting somewhere I could have accidentally set when implementing the privacy features within FF or is there some other reason someone can assist with as to why this would start happening. Thanks.

Chosen solution

Thanks for your help My_Cheese_Is_Slippin'.

I've just upgraded to Firefox 68 and it now functions as expected.

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Additional System Details

Installed Plug-ins

UBlock Origin Firefox Containers OneTab Bloody Vikings! FoxyTab Grammarly Enhance for YouTube Bitwarden

Application

  • User Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:67.0) Gecko/20100101 Firefox/67.0

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My_Cheese_Is_Slippin'
  • Top 10 Contributor
89 solutions 946 answers

Hi Andrew, In Windows Settings -> Apps -> Default Apps -> Set Defaults by App you should see htm, html, http and https set for Firefox (see screenshot).

Hi Andrew, In Windows Settings -> Apps -> Default Apps -> Set Defaults by App you should see htm, html, http and https set for Firefox (see screenshot).
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Question owner

Thanks but these are already set as FF as default.

Thanks but these are already set as FF as default.
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My_Cheese_Is_Slippin'
  • Top 10 Contributor
89 solutions 946 answers

Hello again, Are the hyperlinks for opening files, like pdf's, or for websites?

Hello again, Are the hyperlinks for opening files, like pdf's, or for websites?
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Question owner

Websites

Websites
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My_Cheese_Is_Slippin'
  • Top 10 Contributor
89 solutions 946 answers

Hi, Firefox has a Safe Mode which disables your add-ons. You can rule out those as interfering with hyperlinks. Click the Menu button (3-bar button) Select Help Select Restart With Add-ons Disabled Firefox will start up with the Firefox Safe Mode dialog. Don't choose Refresh. Try a hyperlink and see if it opens in Firefox.

To Exit Safe Mode close Firefox.

Hi, Firefox has a Safe Mode which disables your add-ons. You can rule out those as interfering with hyperlinks. Click the Menu button (3-bar button) Select Help Select Restart With Add-ons Disabled Firefox will start up with the Firefox Safe Mode dialog. Don't choose Refresh. Try a hyperlink and see if it opens in Firefox. To Exit Safe Mode close Firefox.
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Question owner

Thanks but that unfortunately doesn't resolve the issue.

Thanks but that unfortunately doesn't resolve the issue.
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My_Cheese_Is_Slippin'
  • Top 10 Contributor
89 solutions 946 answers

Andrew, I've looked through some other posts with the same issue and it appears that you might have some Registry problems. Hyperlinks from any program other than firefox will not open hyperlink in outlook will not open

You may need to completely uninstall Firefox, clean up your registry and re-install Firefox. You will be able to restore your Profile with all of your bookmarks, passwords, history, etc. See these articles: Back up and restore information in Firefox profiles Firefox keeps crashing at startup (Scroll down to Try a clean install)

Of course, you can wait to do this, and maybe someone with a less dramatic solution can help.

Andrew, I've looked through some other posts with the same issue and it appears that you might have some Registry problems. [https://support.mozilla.org/en-US/questions/1260781?page=1 Hyperlinks from any program other than firefox will not open] [https://support.mozilla.org/en-US/questions/1204353#answer-1136652 hyperlink in outlook will not open] You may need to completely uninstall Firefox, clean up your registry and re-install Firefox. You will be able to restore your Profile with all of your bookmarks, passwords, history, etc. See these articles: [https://support.mozilla.org/en-US/kb/back-and-restore-information-firefox-profiles Back up and restore information in Firefox profiles] [https://support.mozilla.org/en-US/kb/firefox-keeps-crashing-startup Firefox keeps crashing at startup] (Scroll down to Try a clean install) Of course, you can wait to do this, and maybe someone with a less dramatic solution can help.
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Chosen Solution

Thanks for your help My_Cheese_Is_Slippin'.

I've just upgraded to Firefox 68 and it now functions as expected.

Thanks for your help My_Cheese_Is_Slippin'. I've just upgraded to Firefox 68 and it now functions as expected.
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My_Cheese_Is_Slippin'
  • Top 10 Contributor
89 solutions 946 answers

Great news! I'm glad that you didn't have to go through a time consuming solution.

Great news! I'm glad that you didn't have to go through a time consuming solution.
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glavertu 0 solutions 3 answers

I am now using 70.0 (64 bits) and it still won't open external application links, namely MS Teams, Zoom (Video conferencing) and other applications I don't recall at the moment. When I paste the link in another browser to click on the link, it works fine.

I tried without any extensions with the same result. This is really annoying when I get to my agenda to start a meeting i'm invited in.

It used to do it until recently, so something has changed in the latests versions.

I am now using 70.0 (64 bits) and it still won't open external application links, namely MS Teams, Zoom (Video conferencing) and other applications I don't recall at the moment. When I paste the link in another browser to click on the link, it works fine. I tried without any extensions with the same result. This is really annoying when I get to my agenda to start a meeting i'm invited in. It used to do it until recently, so something has changed in the latests versions.

Modified by glavertu

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glavertu 0 solutions 3 answers

Well, the issue is gone just before I was about update to 70.0.1. I guess the first fix in the relase notes did the trick! thanks.

Well, the issue is gone just before I was about update to 70.0.1. I guess the first fix in the relase notes did the trick! thanks.
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Who should we blame for this bug, Microsoft or Mozilla? I had the same problem with one of my FF versions (don't remember which) and the workaround was to change the default browser back to Edge and then FF again. I'm now using FF 70.0.1 and this solution doesn't help all the times.

Who should we blame for this bug, Microsoft or Mozilla? I had the same problem with one of my FF versions (don't remember which) and the workaround was to change the default browser back to Edge and then FF again. I'm now using FF 70.0.1 and this solution doesn't help all the times.
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glavertu 0 solutions 3 answers

Interesting. I'll remember to try that if I experience this issue again.

Interesting. I'll remember to try that if I experience this issue again.
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