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Can't turn on MSE: error code 0x800705b4


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Guest Marshall Reid
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This morning, I turned on the computer and noticed the icon for MSE in the system tray was red with an x on it. I opened MSE and it said "Computer status - At risk" and "Real-time protection is turned off. You should turn it on." First of all, I have no idea why it wouldn't be on - it's always on, and I never turn it off. But more importantly, when I click the big red button that says "Turn on", nothing happens. It acts like it's trying, but then times out and gives me the error code 0x800705b4.

 

What do I need to do to get this to turn on? I'm running Windows 7 Home Premium 64 bit SP1.

 

Thanks in advance for your help.

 

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