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this add-on could not be installed because it appears to be corrupted in mozilla

  • 2 replies
  • 58 have this problem
  • 337 views
  • Last reply by cor-el

mrepala
mrepala
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this add-on could not be installed because it appears to be corrupted in mozilla

this add-on could not be installed because it appears to be corrupted in mozilla

Chosen solution

This happens when the extension is signed and has been changed (tampered with). Make sure that security software doesn't unpack the file for inspection and repacks it because that will invalidate the signing manifest.

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All Replies (2)

FredMcD
FredMcD
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What add-on? From who, where? What does it do?

cor-el
cor-el
  • Moderator
  • Top 10 Contributor
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Chosen Solution

This happens when the extension is signed and has been changed (tampered with). Make sure that security software doesn't unpack the file for inspection and repacks it because that will invalidate the signing manifest.