this could be so many things that probably the easiest thing to do is just uninstall the software, clean your registry ( because there are always remnants after uninstall, and many times those cause problems ) and doing a fresh install.
the things that can cause this can be anything from a corrupted file,anti-virus false flag, to mixed up registry entries if you used the demo first....
for all the time you'd spend finding the cause, you'd be better off going right to a cure. If there's still a problem after this, then you know it's something happening in your system or possibly security software. why ? because more people would be complaining about the same issue if it was the software causing it. This is the first i hear of this error, but I've seen similar errors and it's always been something else impeding the software, and not the software impeding itself.
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"To define Tao is to defile it" - Lao Tzu