I installed
* Texnic center
* Mik tek
Currently running the latest version of Adobe and vista's patched up fine.
I have opened an existing project and hit F7.
Here is the error I get when trying to preview an existing project.

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Learn LaTeX easily with newest books:
The LaTeX Beginner's Guide: 2nd edition and perfect for students writing a thesis
The LaTeX Cookbook: 2nd edition full of practical examples for mathematics, physics, chemistry, and more
LaTeX Graphics with TikZ: the first book about TikZ for perfect drawings in your LaTeX thesis