Found fix on MeeGo.com ... Posting here for anyone trawling the web looking for it ... Should have know better ...
1.Switch Off Developer Mode in Settings > Security
2.Uninstall developer-mode in Settings>Applications>Manage Applications
3.Reboot device
4.Switch On Developer Mode in Settings > Security
5.Allow auto install of Developer Mode App
MeeGo/Nokia - This bug needs a fix pronto ...
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