Bug Report: Microsoft Edge Update Breaks F-Secure Browser Extension
The recent Microsoft update of Edge to:
Version 144.0.3719.82 (Official build) (64-bit)
breaks the F-Secure browser extension (and other software publisher extensions - so not just limited to F-Secure; being widely reported online).
Answers
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If you uninstall and reinstall the extension, does that help, help clear out any "handshake" bug between Edge and the F-Secure extension? It's still working on my end, so far. Banking Protection is working as well. F-Secure Internet Security v25.11 (6.8.535.0)
Microsoft Edge is up to date. Version 144.0.3719.82 (Official build) (64-bit)
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I work at Phantom Wallet, the same is happening with our chrome extension on Edge v144 (stable channel). It works on MS Edge v143, and MS Edge Beta v145 so I assume this will resolve itself when they push v145 to their stable channel. Problem is that won't happen until mid February. MS Edge needs to resolve this sooner.
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The "fix" for this was:
1. Uninstall F-Secure browser extension
2. Uninstall F-Secure
3. Reboot the system
4. Reinstall F-Secure
5. Reinstall F-Secure browser extension
6. Reboot system
Not one F-Secure staff member asked any diagnostic questions such as "What version and build of Windows and Edge are being used?" or "Can you submit diagnostic logs?"
Imagine if these needed to be done via InTune or other Windows management methods for hundreds or thousands of Windows systems? Everybody automatically assumes reports are made by people with one system (although I did state in my case it happened simultaneously across 6 systems - which took about 1 hour to "apply" the fix).
Yikes!!
Just smh. -
Any replies of "It is working for me" are not helpful as they are dismissive of the report. However, unfortunately, it seems this is the best that many people can do in the online world.
If a user tells me something is NOT working - not once in my professional life have I ever responded with "Well, it is still working for me." Such a reply is peak unprofessionalism and amateur hour. -
The English forum has been suffering the loss of Mod or employee support for about the last 4 - 5 months, without any real sign of it turning around. I at times have been referring people to the off forum support options, as log files are no longer being read on the English forum (deeper investigation).
I think the rebranded version of F-Secure for ISP's and "education" centers (as I've heard it expressed that way here before) seems to be what's helping to keep them alive. Otherwise, the home user consumer side isn't what it used to be.
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Hello,
Thank you for your feedback and for supporting other users in the community.
We acknowledge that moderator and employee activity on the English forum has been limited in recent months due to internal resource changes. We understand the impact this has had, especially for deeper technical investigations, and appreciate your patience and initiative in guiding users to alternative support channels when needed.
The forum remains important to us, and we are reviewing ways to improve engagement and support coverage moving forward. Your feedback has been shared with the relevant teams.
Thank you,
Chameni / F-secure -
Hi @Chameni
Thank you for that encouraging response, it's good to know that you all are aware of the need on this forum. But, I will say offline support has always done an excellent job for me with user, standard account questions, including phone support about an hour ago. I had submitted the wrong email address to try out on a PC that doesn't have F-Secure installed, the stand alone Scam Protection app. Support took care of it .
It is exactly as the Scam protection window in the Internet Security and Total app. with all the settings, very nice :) It is something I could recommend for family and friends who use Windows Security or other products that do not have the excellent Banking/Scam Protection that F-Secure has.
Cheers :)
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Hi there @TVC15
Thank you so much for the kind and detailed feedback, we really appreciate you taking the time to share your experience.
It’s great to hear that our offline support team was able to help you quickly and smoothly, especially with resolving the email mix-up and getting the standalone Scam Protection app up and running. We’ll be sure to pass along your praise to the team, feedback like this truly means a lot to them 😊
We’re also glad you’re enjoying the standalone Scam Protection app and that it meets your expectations. Hearing that you’d confidently recommend it to family and friends, especially for users on Windows Security or other solutions, is exactly the kind of outcome we aim for.
Thanks again for your encouragement and support.

