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LastPass isn't working on Firefox. I have the updated version of the browser. I've rebooted my system. Still my vault won't open - just a white screen with the LastPass... watermark. I can open it in Chrome, but the passwords aren't updated. Help?

LastPass isn't working on Firefox. I have the updated version of the browser. I've rebooted my system. Still my vault won't open - just a white screen with the LastPass... watermark. I can open it in Chrome, but the passwords aren't updated. Help?

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LastPass Support

Hello @ronda.eyben

I hope you are doing great!

The issue you described was recently escalated to our developers, and it is under investigation now.

While we do not have an ETA, please, rest assured that our team is actively working on a solution in the most expedited way. We'd like to apologize for any inconvenience that this issue may cause you.

Thank you,

Hilda

The LastPass Support Team

Thank you! I'm glad to know it's not just me, but I do hope it's resolved soon.

Ronda

It's now December, 2024 and this problem still exists. When will this be fixed?

mail4cm-lastpass

Having the same problem with LastPass Vault using FireFox 137.0 in April, 2025. Works on Edge browser on the same PC.

The problem has NEVER been resolved. It has now been more than 6 months since my original note here.

LastPass Support

Hi

The described issue has been fixed, make sure you have the lasted LastPass extension version for Firefox Version 4.140.1.

Could you please try the following troubleshooting on your browser:

Uninstalling the extensionUninstall LastPass
Clearing your browser's cookies and cache
Restart the browser
Reinstalling the extension from https://lastpass.com/misc_download2.php
Open LastPass using the extension

Best,

HildaC

mail4cm-lastpass

I reported earlier that I was having the blank vault page issue with FireFox 137.0 -- and also LastPass extension version 4.140.1.

I confirm that reinstalling the LastPass extension resolved the problem for me.

I did a couple of things differently without issue.

1) I didn't clear all cookies and cache, just cookies associated with lastpass.com.

2) I reinstalled the LastPass extension directly from the Firefox Add-Ons Manager.

Best of luck!

This solution worked for me, thank you!

Thank you! yes, this worked! Yay!

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