Mountain Lion (upgrade from Snow leopard) Have to go into safe mode then restart in order to get to login screen.

I have reciently upgraded to ML  from SL and I have to boot into safe mode then restart in order to login to the syatem I have inplugged all peripherials, removed all startup programs and uninstalled or disabled any software that was not important.
Any help would be appreciated thanks in advance.

What happens if you don't boot in safe mode first?

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    SS_India wrote:
    Hi,
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