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Firefox master password always requested on startup after the Windows May 2019 update

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The master password is requested at every startup of Firefox since I updated the Windows 10 system with the updates of May 2019. This happens with the same behaviour exactly on both my two PCs. I updated the Windows 10 system in both of them and then the issue appeared in both of them. I've tried all the following issues:

- I deleted all the profile settings from the AppData folder and I started Firefox with a new blank profile: the issue disappears, but after I set a new master password, after some time of browsing, the master password is requested at a random moment (no apperent cause for that). From that moment, the master password is requested at every startup of Firefox. - I'm NOT logged into Sync - The issue happens even starting Firefox with a blank page - my security.enterprise_roots.enabled setting is set to FALSE - I have NO antivirus installed in the system, neither Avast, nor Kaspersky

Thank you.

The master password is requested at every startup of Firefox since I updated the Windows 10 system with the updates of May 2019. This happens with the same behaviour exactly on both my two PCs. I updated the Windows 10 system in both of them and then the issue appeared in both of them. I've tried all the following issues: - I deleted all the profile settings from the AppData folder and I started Firefox with a new blank profile: the issue disappears, but after I set a new master password, after some time of browsing, the master password is requested at a random moment (no apperent cause for that). From that moment, the master password is requested at every startup of Firefox. - I'm NOT logged into Sync - The issue happens even starting Firefox with a blank page - my security.enterprise_roots.enabled setting is set to FALSE - I have NO antivirus installed in the system, neither Avast, nor Kaspersky Thank you.

Chosen solution

hi alexanderrow, can you try if entering about:studies into the address bar, removing "hotfix-update-xpi-signing-intermediate-bug-v1.0.3-1548973" and see if this can fix the issue after restarting the browser?

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Additional System Details

Installed Plug-ins

  • Shockwave Flash 32.0 r0

Application

  • User Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:66.0) Gecko/20100101 Firefox/66.0

More Information

philipp
  • Top 25 Contributor
  • Moderator
5271 solutions 23302 answers

Chosen Solution

hi alexanderrow, can you try if entering about:studies into the address bar, removing "hotfix-update-xpi-signing-intermediate-bug-v1.0.3-1548973" and see if this can fix the issue after restarting the browser?

hi alexanderrow, can you try if entering about:studies into the address bar, removing "hotfix-update-xpi-signing-intermediate-bug-v1.0.3-1548973" and see if this can fix the issue after restarting the browser?
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Question owner

Yeah, thank you! It worked!

Yeah, thank you! It worked!
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DLA112 0 solutions 5 answers

I have this problem too. Rather annoying.

I tried the removing "hotfix-update-xpi-signing-intermediate-bug-v1.0.3-1548973" but it listed it as completed and there didn't seem to be an option for removing it.

There was and active study "prefflip-push-performance-1491171" which had a "Remove" button to the right of it, but figured that was only for that fix.

Anything else I can try?

I have this problem too. Rather annoying. I tried the removing "hotfix-update-xpi-signing-intermediate-bug-v1.0.3-1548973" but it listed it as completed and there didn't seem to be an option for removing it. There was and active study "prefflip-push-performance-1491171" which had a "Remove" button to the right of it, but figured that was only for that fix. Anything else I can try?
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