Kaspersky Password Manager Extension Firefox -

Close all browser windows before attempting to install the extension from the main application.

Select the Browsers section from the sidebar. Kaspersky Password Manager Extension Firefox

To avoid performance issues or conflicting prompts, manually turn off Firefox's built-in "Autosave" and "Autofill" settings. Close all browser windows before attempting to install

If the extension disappears or stops working, ensure Firefox has been opened at least once to create the necessary manifest folders. Kaspersky Password Manager Extension Firefox