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Unable to upgrade, getting error message The operation can’t be completed because the item “libsoftokn3.dylib” is in use.

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  • 4 have this problem
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  • Last reply by cor-el

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When I try to upgrade Firefox on my MAC I get this error message. Do not know how to find this and close it.

When I try to upgrade Firefox on my MAC I get this error message. Do not know how to find this and close it.

Chosen solution

If there are problems with updating or with the permissions then easiest is to download the full version and trash the currently installed version to do a clean install of the new version.

Download a new copy of the Firefox program and save the disk image (dmg) file to the desktop

  • Trash the current Firefox application to do a clean (re-)install
  • Install the new version that you have downloaded

Your profile data is stored elsewhere in the Firefox Profile Folder, so you won't lose your bookmarks and other personal data.

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Chosen Solution

If there are problems with updating or with the permissions then easiest is to download the full version and trash the currently installed version to do a clean install of the new version.

Download a new copy of the Firefox program and save the disk image (dmg) file to the desktop

  • Trash the current Firefox application to do a clean (re-)install
  • Install the new version that you have downloaded

Your profile data is stored elsewhere in the Firefox Profile Folder, so you won't lose your bookmarks and other personal data.

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Thank you, this worked!