# Firefox Dictionary Installation - WTF does this message mean?

**URL:** <https://boards.straightdope.com/t/firefox-dictionary-installation-wtf-does-this-message-mean/464629>\
**Category:** Factual Questions\
**Created:** [September 22, 2008, 3:09am UTC](https://boards.straightdope.com/t/firefox-dictionary-installation-wtf-does-this-message-mean/464629 "2008-09-22T03:09:38Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![Leaffan](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/leaffan/32/299_2.png) [@Leaffan](https://boards.straightdope.com/u/Leaffan)\
**Post date:** [September 22, 2008, 3:09am UTC](https://boards.straightdope.com/t/firefox-dictionary-installation-wtf-does-this-message-mean/464629/1 "2008-09-22T03:09:38Z")

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Firefox could not install the file at:

> [@](#):
>
> [https://addons.mozilla.org/en-US/firefox/downloads/file/37281/canadian\_english\_dictionary-1.1.1-fx+tb+sm.xpi](https://addons.mozilla.org/en-US/firefox/downloads/file/37281/canadian_english_dictionary-1.1.1-fx+tb+sm.xpi)
> 
> because: Invalid file hash (possible download corruption)  
> -261

What the heck does this mean, and why can’t I install the damned dictionary? Little help please…

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**Author:** ![Terminus\_Est](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/terminus_est/32/3087_2.png) [@Terminus\_Est](https://boards.straightdope.com/u/Terminus_Est)\
**Post date:** [September 22, 2008, 3:16am UTC](https://boards.straightdope.com/t/firefox-dictionary-installation-wtf-does-this-message-mean/464629/2 "2008-09-22T03:16:34Z")

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It means exactly what it says - the download seem to have been corrupted. Delete it and download again.

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**Author:** ![Leaffan](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/leaffan/32/299_2.png) [@Leaffan](https://boards.straightdope.com/u/Leaffan)\
**Post date:** [September 22, 2008, 3:20am UTC](https://boards.straightdope.com/t/firefox-dictionary-installation-wtf-does-this-message-mean/464629/3 "2008-09-22T03:20:58Z")

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New laptop. I’ve attempted to download the Canadian dictionary a zillion times. I thought that my firewall at work was doing something. Now I’m at home: same thing.

Does [this](https://addons.mozilla.org/en-US/firefox/addon/3653) work for you?

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**Author:** ![Leaffan](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/leaffan/32/299_2.png) [@Leaffan](https://boards.straightdope.com/u/Leaffan)\
**Post date:** [September 22, 2008, 3:28am UTC](https://boards.straightdope.com/t/firefox-dictionary-installation-wtf-does-this-message-mean/464629/4 "2008-09-22T03:28:12Z")

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> [@Leaffan](#):
>
> New laptop. I’ve attempted to download the Canadian dictionary a zillion times. I thought that my firewall at work was doing something. Now I’m at home: same thing.
> 
> Does [this](https://addons.mozilla.org/en-US/firefox/addon/3653) work for you?

D’oh!

Never mind. I was connected via VPN to work again when I tried to download it from home. Disconnecting from the VPN connection solved the problem.

Cheers.

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**Author:** ![Harmonious\_Discord](https://avatars.discourse-cdn.com/v4/letter/h/74df32/32.png) [@Harmonious\_Discord](https://boards.straightdope.com/u/Harmonious_Discord)\
**Post date:** [September 22, 2008, 12:39pm UTC](https://boards.straightdope.com/t/firefox-dictionary-installation-wtf-does-this-message-mean/464629/5 "2008-09-22T12:39:28Z")

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So does it check English or French when it’s a Canadian dictionary?