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i cannot used add-on competiscan_ad_grabber.xpi in latest firefox

  • 2 cavab
  • 1 has this problem
  • 1 view
  • Last reply by mahenmahor

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In this first work on this add-on was done. But now it is not working.

In this first work on this add-on was done. But now it is not working.
Attached screenshots

Modified by James

Chosen solution

The messages says the add-on is corrupt, so I'd suggest contacting the developer.

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Seçilmiş Həll

The messages says the add-on is corrupt, so I'd suggest contacting the developer.

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okay... how contacting the developer..?