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Installation aborted because the add-on appears to be corrupt.

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All attempts to install any addon now result in the following alert: Installation aborted because the add-on appears to be corrupt.

All attempts to install any addon now result in the following alert: Installation aborted because the add-on appears to be corrupt.

Chosen solution

Hmm, thank you for testing that.

Extension downloads redirect from one server to another. For example, this is the first and second links for uBlock Origin. Do either work for you?

Some users seem to have difficulty accessing servers whose names include CDN (a common abbreviation for content distribution network). Can you download the file in any of your other browsers?

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Additional System Details

Installed Plug-ins

  • Shockwave Flash 32.0 r0

Application

  • User Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:68.0) Gecko/20100101 Firefox/68.0

More Information

jscher2000
  • Top 10 Contributor
8573 solutions 70093 answers

Helpful Reply

Could you test whether Firefox can successfully download the extension file and save it to disk? Right-click the blue "Add to Firefox" button and Save Link As to save the file. Does it save successfully?

(Note: .xpi files are .zip archives, in case you wanted to look inside.)

Could you test whether Firefox can successfully download the extension file and save it to disk? Right-click the blue "Add to Firefox" button and Save Link As to save the file. Does it save successfully? (Note: .xpi files are .zip archives, in case you wanted to look inside.)
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Question owner

That's a negative - Shows download attempt failed.

That's a negative - Shows download attempt failed.
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jscher2000
  • Top 10 Contributor
8573 solutions 70093 answers

Chosen Solution

Hmm, thank you for testing that.

Extension downloads redirect from one server to another. For example, this is the first and second links for uBlock Origin. Do either work for you?

Some users seem to have difficulty accessing servers whose names include CDN (a common abbreviation for content distribution network). Can you download the file in any of your other browsers?

Hmm, thank you for testing that. Extension downloads redirect from one server to another. For example, this is the first and second links for uBlock Origin. Do either work for you? * https://addons.mozilla.org/firefox/downloads/file/3293994/ublock_origin-1.20.2-an+fx.xpi?src=dp-btn-primary * https://addons.cdn.mozilla.net/user-media/addons/607454/ublock_origin-1.20.2-an+fx.xpi?filehash=sha256%3A4634411118e2598f91dbb07289b11109e097660d64391cd04eceb205d2c50854 Some users seem to have difficulty accessing servers whose names include CDN (a common abbreviation for content distribution network). Can you download the file in any of your other browsers?
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Question owner

Both work, and now so does everything else. It seems the problem solved itself. Could this have been a temporary issue with the source servers?

Both work, and now so does everything else. It seems the problem solved itself. Could this have been a temporary issue with the source servers?
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jscher2000
  • Top 10 Contributor
8573 solutions 70093 answers

The server was working for me, but perhaps because it is a content distribution network, we are hitting different regional data centers.

The server was working for me, but perhaps because it is a content distribution network, we are hitting different regional data centers.
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