+1 vote
in Email Support by (user.hidden) (1.7k points)
Not been able to use Thunderbird since from 2 days.
The error is: XML Parsing Error: undefined entity Location: chrome://messenger/content/messenger.xhtml Line Number 905, Column 3:

Using OS : Windows 10

1 Answer

0 votes
by (user.hidden) (1.9k points)

XML random errors are very common, you can easily fix all these with your own. Just follow these simple steps.

1. Copy the 'Local Folders' folder from my old profile to the new profile. 

2. Next, upgrade to a later version