When you try to run a ClickOnce Windows application from Mozilla Firefox, on some machines you may see it try to save a .application (ClickOnce deployment manifest) instead of running the ClickOnce application installer/updater/launcher. To fix that issue you can open Firefox add-ons dialog and search among available to download/install add-ons ...

Qualys BrowserCheck will perform a security analysis of your browser and its plugins to identify any security issues. You can install it at https://browsercheck.qualys.com/   Another useful quick online tool (needs no installation) for checking that you do have the latest in web browser technology is Browse Happy, at ...