According to Microsoft, the 0x80070643 - ERROR_INSTALL_FAILURE message is "not accurate" and won't impact the functionality of Windows Repair.

Microsoft has resolved a known issue that triggers invalid Windows Firewall errors after rebooting Windows 11 24H2 systems ...

I've got some video files on a DVD (not a video DVD) that won't copy over because there's something wrong with the DVD and they fail CRC check. I believe the problem is only in a few places, and ...

As you can see, the W3C validator instantly caught this problem and flagged it as an error, in red. Any W3C validator warnings that are flagged in red deserve extra attention and should be reviewed.

And he finds it: a user who chose the ‘Ignore’ option 43 times within three minutes as she plowed her way through various errors to create the foul-up.

To remove the Green Triangle in Excel, switch off background error checking, correct mistakes, or ignore the indicators. Read more here.