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billsantry
Participating Frequently
February 22, 2026
Question

“Adobe Dreamweaver 2021.app” is damaged and can’t be opened. This file was downloaded on an unknown date.

  • February 22, 2026
  • 1 reply
  • 12 views

Dreamweaver suddenly stopped opening on Sequoia 15.6
Getting message: “Adobe Dreamweaver 2021.app” is damaged and can’t be opened. This file was downloaded on an unknown date.”

      1 reply

      Nancy OShea
      Community Expert
      Nancy OSheaCommunity Expert
      Community Expert
      February 23, 2026

      Try Restoring Preferences. And restart your computer. 

      https://helpx.adobe.com/dreamweaver/kb/restore-preferences-dreamweaver.html

       

      Nancy O'Shea— Product User & Community Expert
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