Dear All,

Is there any way to detect whether particular extension is already installed ?

My requirement is ,

If an user browse through a page, which can detect whether particular extension is already installed or not. If the extension is not installed , then it will prompt the user to install the extension.

I accessed nsIExtensionManager to get the details, but it is allowed only when the page(html) is local to the machine. If i place the page in some server, then it is not allowed to access extensionmanager service.

Kindly let me know is there any API available to do this.

Thanks & Regards,
Raghavan
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