Overview:

Why does TableNinja need to run as administrator on Windows Vista®?

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Solution:

TableNinja is able to provide tons of great features because it interacts with Windows® and the PokerStars® software at a very low level. TableNinja needs to run as administrator to do all sorts of things, from sending mouse and keyboard input to PokerStars windows to saving hand history files and reading information from PokerStars®. TableNinja will automatically detect your system settings and attempt to Run as Adminstrator on its own if it is necessary. You'll just need to click continue on the User Account Control popup and everything should work smoothly.