Trying to Install PTR

85 Night Elf Mage
And it keeps giving me this error:

The installer does not need to be applied. It requires a version of "Wow.exe" older than, but you already have version
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Support Forum Agent
It sounds like you have an older patch in your PTR folder for some reason. Try uninstalling the PTR completely (and make sure the World of Warcraft Public Test folder is empty), then install the latest build from

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