Many user experiece problem while using Greasemonkey (a firefox extension), especially when they trying to install a user js script. Below is the most common error they get “failure code: 0x80520012 ”
Error Installing User Script:
[Exception…”Component returned failure code: 0x80520012 (NS_ERROR_FILE_NOT_FOUND)[nsIChannel.open]” nsresult: “0x80520012 (NS_ERROR_FILE_NOT_FOUND)” location: “JS frame:: chrome://greasemonkey/content/utils.js :: getContents:: line 167” data:np]
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