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An error message popped up when trying to download an Add-On

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Maddie8
Maddie8

The following message popped up after I tried to download the Add-On "1-ClickWeather". I can't get rid of the error message. It keeps popping up while I'm working on the computer.... even though I've clicked "OK" in the error box. Please help!

[Exception... "Component returned failure code: 0x80520012 (NS_ERROR_FILE_NOT_FOUND) [nsIFileInputStream.init]" nsresult: "0x80520012 (NS_ERROR_FILE_NOT_FOUND)" location: "JS frame :: chrome://1clickweather/content/js/utils/filemanager.js :: <TOP_LEVEL> :: line 233" data: no]

The following message popped up after I tried to download the Add-On "1-ClickWeather". I can't get rid of the error message. It keeps popping up while I'm working on the computer.... even though I've clicked "OK" in the error box. Please help! [Exception... "Component returned failure code: 0x80520012 (NS_ERROR_FILE_NOT_FOUND) [nsIFileInputStream.init]" nsresult: "0x80520012 (NS_ERROR_FILE_NOT_FOUND)" location: "JS frame :: chrome://1clickweather/content/js/utils/filemanager.js :: <TOP_LEVEL> :: line 233" data: no]