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Forum Discussion
Firefox add-on failed to install - cannot modify the needed file
When I try to install the Firefox 1Password add-on on a Mac I get the error: "about:addons 1Password - Password Manager could not be installed because Firefox cannot modify the needed file."
I al...
andrew_l_1P
1Password Team
1Password TeamHi @keithag,
Sorry to hear you're getting this error. To confirm, are you installing the browser extension from this link? https://addons.mozilla.org/en-US/firefox/addon/1password-x-password-manager/
If the issue persists, try launching Firefox in Troubleshoot mode and give it another try: Diagnose Firefox issues using Troubleshoot Mode | Firefox Help
Let me know how that goes or if you have any questions. 🙂
