Windows 10 reached EOS (end of support) on October 14, 2025. If you are on Windows 10, see this article.

Avatar for Username

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More
This thread was archived. Please ask a new question if you need help.
Solved Archived

When going through the download process with social monkee and getting to the point of adding it to firefox I get the following message: 'Social Monkee could not be installed because firefox cannot modify the needed file'. How can this be fixed?

Firefox
cor-el replied 14 years ago
topprofit
topprofit

When going through the download process with social monkee and getting to the point of adding it to firefox I get the following message: 'Social Monkee could not be installed because firefox cannot modify the needed file'. How can this be fixed?

When going through the download process with social monkee and getting to the point of adding it to firefox I get the following message: 'Social Monkee could not be installed because firefox cannot modify the needed file'. How can this be fixed?

All Replies (1)

cor-el
cor-el
  • Moderator

Chosen Solution

That is usually caused by a missing unpack directive (<em:unpack>true</em:unpack>) in the file install.rdf of that extension.

See https://developer.mozilla.org/En/Updating_extensions_for_Firefox_4.0#XPI_unpacking