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Thunderbird 78.5.0 does not start : Parser error

  • 3 cavab
  • 1 has this problem
  • 14 views
  • Last reply by sfhowes

Dieten
Dieten
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I updated to 78.5.0. And now Thunderbird doen not start at all. I get an tiny grey window telling : Parser error : XML-parsefout: ongedefinieerde entiteit Locatie: chrome://messenger/content/messenger.xhtml Regelnummer 901, kolom 3: 

 <key id="openLightningKey"
</pre>

--^ "

and I have no file "messenger.xhtml"  in thunderbird Chrome, in fact the whole messenger map is not there. So I cant remove line 901 either. 

Who understands what went wrong ? and what to do 
Thanks 
Ferdinand
I updated to 78.5.0. And now Thunderbird doen not start at all. I get an tiny grey window telling : Parser error : XML-parsefout: ongedefinieerde entiteit Locatie: chrome://messenger/content/messenger.xhtml Regelnummer 901, kolom 3: <key id="openLightningKey" --^ " and I have no file "messenger.xhtml" in thunderbird Chrome, in fact the whole messenger map is not there. So I cant remove line 901 either. Who understands what went wrong ? and what to do Thanks Ferdinand

Modified by Dieten

All Replies (3)

sfhowes
sfhowes
  • Top 10 Contributor
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See https://support.mozilla.org/en-US/questions/1314274

fam van dieten
fam van dieten
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As I can't start I cant apply the solution you proposed for the other case.

sfhowes
sfhowes
  • Top 10 Contributor
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Open the profile folder, which is located by default in:

C:\Users\username\AppData\Roaming\Thunderbird\Profiles\randomstring.default

AppData is hidden by default.

Open prefs.js in a text editor, look for the line

user_pref("gfx.direct2d.disabled", false);

change false to true, save the change, then start TB (if you can).