This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

openattachmentbyextension:internal error Exception... "Component returned failture code:0x80520012 ....

  • 1 பதிலளி
  • 1 இந்த பிரச்சனை உள்ளது
  • 18 views
  • Last reply by Matt

openattachmentbyextension:internal error Exception... "Component returned failture code:0x80520012 .... attach screen open *.xls this error open *.xlsx no error open ok

openattachmentbyextension:internal error Exception... "Component returned failture code:0x80520012 .... attach screen open *.xls this error open *.xlsx no error open ok

All Replies (1)

That sounds like an error in the add-on open by extension. Perhaps you should raise it with the author