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**saltuwaiya** · 05-22-2016, 09:51 PM

Hi,

Can someone help please with this message (this app can't run on your pc) on Windows 10.

Thank you.
Best Regards,

**Timster** · 05-23-2016, 12:21 AM

What app are you trying to run?

**saltuwaiya** · 05-23-2016, 06:53 AM

Firesheep

I've installed firesheep on Firefox.
I had a problem with add-ons

I tried to install it and I got message saying (this add-on could not be installed because it has not been verified)

**Partha** · (This post was last modified: 05-23-2016, 09:30 AM by Partha.)

(05-23-2016, 06:53 AM)saltuwaiya@gmail.com Wrote: Firesheep

I've installed firesheep on Firefox.
I had a problem with add-ons

I tried to install it and I got message saying (this add-on could not be installed because it has not been verified)

As a security measure, Mozilla now requires all extensions to be digitally signed. This signing is done through the domain addons.mozilla.org and is mandatory for all extensions, regardless of where they are hosted

You would have to contact either the developer or vendor of Firesheep to see if they can offer an updated and signed version of that add-on

Please refer https://support.mozilla.org/en-US/kb/add-on-signing-in-firefox for details