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Addons Hidden in Addon Manager after updating to Firefox 8

  • 2 cavab
  • 25 have this problem
  • 2 views
  • Last reply by cor-el

greywolf83
greywolf83
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After updating to Firefox 8, none of the extensions in my Add-on Manager from my Firefox 7 installations are visible.

Also, when I try to install an add-on, I get an error message saying that the extension can't be installed because Firefox cannot modify the needed file.

After updating to Firefox 8, none of the extensions in my Add-on Manager from my Firefox 7 installations are visible. Also, when I try to install an add-on, I get an error message saying that the extension can't be installed because Firefox cannot modify the needed file.

All Replies (2)

NickNackGus
NickNackGus
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Simply install ONE of your existing add-ons. Restart Firefox. Patiently allow all of your add-ons (unless you don't want them). Restart Firefox. Browse happy. Don't put in nearly as much effort as I did researching the problem.

Modified by NickNackGus

cor-el
cor-el
  • Moderator
  • Top 10 Contributor
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If you get an error message saying that "the extension can't be installed because Firefox cannot modify the needed file" then that is a problem with that extension and is caused by a missing unpack directive in the file install.rdf

Is that caused by installing a dictionary?