firefox XML parsing error

[Peter Flynn]

(Apologies for top-posting: I'm on a phone)

If there really is a 'k' in that end-tag, that is an XML well-formedness 
error and can be fixed by removing the 'k'.

Peter

On 20 April 2021 00:01:20 "Bob" <ubuntu-qygzanxc at listemail.net> wrote:

> The computer that has this problem is basically a file and print server so I
> seldom logon to it.  I tried to use firefox and get the following popup message
> during firefox startup.
>
> XML Parsing Error: mismatched tag. Expected: </popupnotification>.
> Location: chrome://browser/content/browser.xhtml
> Line Number 1791, Column 7:
>    </popupnotifkcation>
> ------^
>
> I deleted the current profile and recreated it.  Same problem.  I then decided
> to try and update the system.  That failed with the following message.
>
> Reading package lists... Error!
> E: Problem parsing dependency 21 of
> gcc-8-aarch64-linux-gnu:amd64=8.4.0-3ubuntu1cross1
> E: Error occurred while processing gcc-8-aarch64-linux-gnu (NewVersion2)
> E: Problem with MergeList
> /var/lib/apt/lists/us.archive.ubuntu.com_ubuntu_dists_groovy_universe_binary-amd64_Packages
> E: The package lists or status file could not be parsed or opened.
>
> I then tried the magic incantation of
>
> pkg --configure -a
> apt install -f
> apt clean
> apt auto remove
> apt update
> apt full-upgrade -y
>
> which did not help.  It failed at 'apt install -f' with the same error.
>
> After some searching of the internet I looked at
> "https://askubuntu.com/questions/30072/how-do-i-fix-a-problem-with-mergelist-or-status-file-could-not-be-parsed-err"
> which fixed that problem with apt.
>
> After the upgrade firefox still gets the error popup,
>
> Anyone have a suggestion on how to recover from this error?
>
> --
> Robert Blair
>
>
> We need leaders not in love with money but in love with justice.  Not in 
> love with publicty but in love with humanity  -- Martin Luther King
>
> --
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