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can't install add-ins. Get unexpected installation error. Console has this

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  • 44 have this problem
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  • Last reply by TonyE

Leon Katsnelson
Leon Katsnelson
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I get this error in the console: Error: [Exception... "Component returned failure code: 0x80004005 (NS_ERROR_FAILURE) [nsILocalFile.persistentDescriptor]" nsresult: "0x80004005 (NS_ERROR_FAILURE)" location: "JS frame :: file:///Applications/Firefox.app/Contents/MacOS/components/nsExtensionManager.js :: getAbsoluteDescriptor :: line 406" data: no] Source File: file:///Applications/Firefox.app/Contents/MacOS/components/nsExtensionManager.js Line: 406

I get this error in the console: Error: [Exception... "Component returned failure code: 0x80004005 (NS_ERROR_FAILURE) [nsILocalFile.persistentDescriptor]" nsresult: "0x80004005 (NS_ERROR_FAILURE)" location: "JS frame :: file:///Applications/Firefox.app/Contents/MacOS/components/nsExtensionManager.js :: getAbsoluteDescriptor :: line 406" data: no] Source File: file:///Applications/Firefox.app/Contents/MacOS/components/nsExtensionManager.js Line: 406

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TonyE
TonyE
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For details about how to resolve this see the unexpected installation error -203 when installing add-ons article.