Multiple links to Virtuemart administration appeared

[kokosmin]

After trying to install a few times in language manager / content, without success, an then trying the manual upload, I saw this thing:
The Virtuemart menu has 4 of each submenu. What can I do?

[attachment cleanup by admin]

[jenkinhill]

http://forum.virtuemart.net/index.php?topic=123903.0