ubuntu 12.04
conkeror nightly build (wheezy) 1.0~~pre+git1312132307-~nightly1
firefox 26.0+build2-0ubuntu0.12.04.2

Before the latest updates (yesterday) conkeror would work without problem.

Now I get the following errors:

$ conkeror
xulrunner not found, trying firefox instead.
Error initializing.
NS_ERROR_UNEXPECTED: Component returned failure code: 0x8000ffff (NS_ERROR_UNEXPECTED)
[nsIDownloadManager.addListener]
null()@chrome://conkeror/content/download-manager.js:383
load1()@file:///usr/share/conkeror/components/application.js:108
application.prototype.load()@file:///usr/share/conkeror/components/application.js:160
application.prototype.require()@file:///usr/share/conkeror/components/application.js:231
null()@chrome://conkeror/content/conkeror.js:47
load1()@file:///usr/share/conkeror/components/application.js:108
application.prototype.load()@file:///usr/share/conkeror/components/application.js:160
application.prototype.require()@file:///usr/share/conkeror/components/application.js:231
application()@file:///usr/share/conkeror/components/application.js:40
null()@resource://gre/modules/XPCOMUtils.jsm:271
cmdline.prototype.handle()@file:///usr/share/conkeror/components/command-line.js:20
null()@null:0
************************************************************
* Call to xpconnect wrapped JSObject produced this error:  *
[Exception... "'[JavaScript Error: "conkeror.handle_command_line is not a function" {file:
"file:///usr/share/conkeror/components/command-line.js" line: 23}]' when calling method:
[nsICommandLineHandler::handle]"  nsresult: "0x80570021 (NS_ERROR_XPC_JAVASCRIPT_ERROR_WITH_DETAILS)" 
location: "native frame :: <unknown filename> :: <TOP_LEVEL> :: line 0"  data: yes]
************************************************************
Console error: [JavaScript Error: "conkeror.handle_command_line is not a function" {file:
"file:///usr/share/conkeror/components/command-line.js" line: 23}]
  Category: XPConnect JavaScript

If I should add any information, please let me know