[TYPO3] Extension manager is missing - urgent

[Patrick Gaumond]

Henrik Eriksson wrote:
> Hi!
> I've just upgraded from v3.8 to 4.0.5 but now the extension-manager is
> missing in the menu and I can't see it anywhere.
> I have no idea where to start looking so all the help I can get is
> appreciated!
> //Henrik

Just in case... Did you change your Workspace from "Live" to "Draft" ?

This as an impact on the left frame visibility of your modules.

Patrick