Cannot install Nvidia Drivers 337.88/340.43 BETA

I decided to install the BETA version however when I uninstalled the current drivers I have (using uninstall or change a programs/safe mode DDU) I encounter an issue and the install fails.
I've used CCleaner to make sure there's no traces left. I've located the Folders and removed them. Went into Regedit and deleted anything Nvidia.
What can I do. I'm trying to avoid a Restore... My Internets slow so I'm trying to avoid downloading everything again.

I'm currently using 337.88 (fresh from the Nvidia website)
I've tried Custom Installation (Perform a clean install)
And the recommended settings

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