Kaspersky Plus cannot activate the Firefox Add-in

[USAOz]

No matter what method I try, I cannot get the Kaspersky Plus to activate/add the Mozilla Firefox extension.  WHY?  How do I do it?

[harlan4096]

Welcome to Kaspersky Community.

 

Please provide version of KPlus installed, also version of Mozilla FireFox.

 

https://addons.mozilla.org/en-US/firefox/addon/kaspersky-protection-2021/

[USAOz]

All versions up b to date

Windows 11 Pro - Version 25H2, Build 26200.5742

Firefox -Version 141.0.3 (64 bit)

Kaspersky Plus - Version 21.21.7.384

[harlan4096]

Can You explain better or post a capture of the problem?

[AlexeyK]

42 минуты назад, USAOz сказал:

All versions up b to date

Windows 11 Pro - Version 25H2, Build 26200.5742

This version is updated "too far". 🙂 Insider preview builds are not supported. System Requirements.

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Please note we do not support the beta versions/previews of new operating systems. Only final, officially released operating systems are supported by the product.