August 18, 20251 yr Edition Windows 11 Pro Version 24H2 Installed on 5/31/2025 OS build 26100.4946 Experience Windows Feature Experience Pack 1000.26100.197.0 i cannot activate the kaspersky extention of Firefox no matter what i did Edited August 18, 20251 yr by noone screenshot
August 18, 20251 yr 3 hours ago, noone said: Edition Windows 11 Pro Version 24H2 Installed on 5/31/2025 OS build 26100.4946 Experience Windows Feature Experience Pack 1000.26100.197.0 i cannot activate the Kaspersky extension of Firefox no matter what i did Hello @noone, Welcome! Additional resources: How to install the extension in Mozilla Firefox How to enable the extension in Mozilla Firefox Is FireFox, basic, standard FF, current version 141.0.3 - no FF derivatives? Which Kaspersky Plus *version* is installed, on Windows Taskbar, *Hidden icons*, rightclick the Kaspersky icon, select About? Have (you) tried installing / activating https://addons.mozilla.org/en-US/firefox/addon/kaspersky-protection-2021/ *without* Windows Feature Experience Pack 1000.26100.197.0? IF 'no', please do, remove the FEP, reboot, retry installing / activating the FF extension? IF the extension works without FEP, (you) can reinstall FEP, if the extension continues to work -> good, if the extension stops working, please read & follow: What to do if you experience issues -> submit a request to Kaspersky Customer Service. Please share the outcome with the Community when it's available? Thank you🙏 Flood🐳+🐋 Edited August 18, 20251 yr by Flood and Flood's wife added additional resources
August 18, 20251 yr Author 13 hours ago, Flood and Flood's wife said: Hello @noone, Welcome! Additional resources: How to install the extension in Mozilla Firefox How to enable the extension in Mozilla Firefox Is FireFox, basic, standard FF, current version 141.0.3 - no FF derivatives? Which Kaspersky Plus *version* is installed, on Windows Taskbar, *Hidden icons*, rightclick the Kaspersky icon, select About? Have (you) tried installing / activating https://addons.mozilla.org/en-US/firefox/addon/kaspersky-protection-2021/ *without* Windows Feature Experience Pack 1000.26100.197.0? IF 'no', please do, remove the FEP, reboot, retry installing / activating the FF extension? IF the extension works without FEP, (you) can reinstall FEP, if the extension continues to work -> good, if the extension stops working, please read & follow: What to do if you experience issues -> submit a request to Kaspersky Customer Service. Please share the outcome with the Community when it's available? Thank you🙏 Flood🐳+🐋 All requested info and screenshots are attached. Firefox and Kaspersky version info are in the screenshots. I ran dism /online /get-packages (Admin) and can’t find any FEP package, yet Settings shows something that looks like FEP while winver does not. The Kaspersky extension in Firefox is shown active in the screenshots.
August 18, 20251 yr 46 minutes ago, noone said: All requested info and screenshots are attached. Firefox and Kaspersky version info are in the screenshots. I ran dism /online /get-packages (Admin) and can’t find any FEP package, yet Settings shows something that looks like FEP while winver does not. The Kaspersky extension in Firefox is shown active in the screenshots. Hello @noone, Thank you for the information! Create a System Restore Point. In Windows Update History - is FEP showing - IF 'yes', go to the Installed Updates & uninstall, then a full reboot, power OFF/ON, login & How to install the extension in Mozilla Firefox, then How to enable the extension in Mozilla Firefox. Has the Kaspersky extension been removed from Firefox, exit Firefox browser, followed by a full power OFF of the computer, followed by power ON by pressing the power button, login, then: How to install the extension in Mozilla Firefox, then How to enable the extension in Mozilla Firefox? IF the issue persists please read & follow: What to do if you experience issues -> submit a request to Kaspersky Customer Service. Please share the outcome with the Community when it's available? Thank you🙏 Flood🐳+🐋 Edited August 18, 20251 yr by Flood and Flood's wife pn 1. Create a System Restore Point.
August 18, 20251 yr @noone 17 hours ago, noone said: Kaspersky Plus cannot activate the Firefox add on When you open the 'Developer Tools' in Firefox with the F12 key , do you get an error message when attempting to install the FF extension ?
August 18, 20251 yr Author 38 minutes ago, Berny said: @noone When you open the 'Developer Tools' in Firefox with the F12 key , do you get an error message when attempting to install the FF extension ? Thanks for the reply can you explain to me how to do that in details 57 minutes ago, Flood and Flood's wife said: Hello @noone, Thank you for the information! In Windows Update History - is FEP showing - IF 'yes', go to the Installed Updates & uninstall, then a full reboot, power OFF/ON, login & How to install the extension in Mozilla Firefox, then How to enable the extension in Mozilla Firefox. Has the Kaspersky extension been removed from Firefox, exit Firefox browser, followed by a full power OFF of the computer, followed by power ON by pressing the power button, login, then: How to install the extension in Mozilla Firefox, then How to enable the extension in Mozilla Firefox? IF the issue persists please read & follow: What to do if you experience issues -> submit a request to Kaspersky Customer Service. Please share the outcome with the Community when it's available? Thank you🙏 Flood🐳+🐋 nothing showes in update history there is a some security updates and other updates nothing about FEP
August 18, 20251 yr @noone You are welcome. Open Firefox Click on the F12 function key on the top row of your keyboard The 'Developer Tool' half opens at the bottom inside Firefox Install the Kaspersky Firefox extension Check if any "Error" shows up in the 'Developer Tool' ?
August 18, 20251 yr Author [GA: ON] setPage: /en-US/firefox/addon/kaspersky-protection-2021/ browser.js:329:20 [GA: ON] pageView: Object { title: "" } browser.js:329:20 Updating add-on status browser.js:329:20 Setting add-on status browser.js:329:20 Add-on "*****@*****.tld" not found so setting status to UNINSTALLED; exact error: Error: Addon not found browser.js:329:20 [GA: ON] sendEvent: Object { eventAction: "curated", eventCategory: "AMO Addon / Recommendations Shown", eventLabel: "*****@*****.tld", eventValue: undefined, hitType: "event" } browser.js:329:20 [GA: ON] sendEvent: Object { eventAction: "addon", eventCategory: "AMO Addon Installs Started", eventLabel: "*****@*****.tld", eventValue: undefined, hitType: "event" } browser.js:329:20 [install] Adding listener for onDownloadStarted browser.js:329:20 [install] Adding listener for onDownloadProgress browser.js:329:20 [install] Adding listener for onDownloadEnded browser.js:329:20 [install] Adding listener for onDownloadCancelled browser.js:329:20 [install] Adding listener for onDownloadFailed browser.js:329:20 [install] Adding listener for onInstallStarted browser.js:329:20 [install] Adding listener for onInstallProgress browser.js:329:20 [install] Adding listener for onInstallEnded browser.js:329:20 [install] Adding listener for onInstallCancelled browser.js:329:20 [install] Adding listener for onInstallFailed browser.js:329:20 Events to handle the installation initialized. browser.js:329:20 Event received: Object { type: "onInstalling", id: "*****@*****.tld", needsRestart: undefined } browser.js:329:20 Event received: Object { type: "onInstalled", id: "*****@*****.tld", needsRestart: undefined } browser.js:329:20 [GA: ON] sendEvent: Object { eventAction: "addon", eventCategory: "AMO Addon Installs", eventLabel: "*****@*****.tld", eventValue: undefined, hitType: "event" } browser.js:329:20 5 minutes ago, Berny said: @noone You are welcome. Open Firefox Click on the F12 function key on the top row of your keyboard The 'Developer Tool' half opens at the bottom inside Firefox Install the Kaspersky Firefox extension Check if any "Error" shows up in the 'Developer Tool' ? thats the log sorry i forgot to Quote Edited August 18, 20251 yr by noone mistake
August 18, 20251 yr @noone 3 minutes ago, noone said: Error: Addon not found Did you try → https://addons.mozilla.org/en-US/firefox/addon/kaspersky-protection-2021/ 🤔 ?
August 19, 20251 yr 5 hours ago, noone said: Thanks for the reply nothing shows in update history there is a some security updates and other updates nothing about FEP Hello @noone, IF the steps we provided previously have not worked - as you appear to be indicating, including reinstalling https://addons.mozilla.org/en-US/firefox/addon/kaspersky-protection-2021/ -> please read & follow: What to do if you experience issues -> submit a request to Kaspersky Customer Service, select Email, fill in the template as shown, provide a *detailed-history*, KSC may require logs, traces & other data, they will guide you. Also, we note the date of (your) Kaspersky Protection extension, please mention that in the information (you) provide to KSC: Please share the outcome with the Community when it's available? Thank you🙏 Flood🐳+🐋
Edition Windows 11 Pro
Version 24H2
Installed on 5/31/2025
OS build 26100.4946
Experience Windows Feature Experience Pack 1000.26100.197.0
i cannot activate the kaspersky extention of Firefox no matter what i did
Edited by noone
screenshot