Have a look here:
http://forums.overclockers.co.uk/showthread.php?t=18563487
Use the tool by Microsoft to monitor nvcplui.exe, and according to the guy there should be able to spot the folder/file that is causing your crashes if it is this.
Long the lines of the support guy helping you, creating a new user account would in a sense create a fresh user account with no programs/files associated with the new account that could have been causing problems with your original account and Nvidia. Though some programs ask to install to all users so maybe just see, use the diagnostic tool and see if you can spot anything.
Why i asked which os you're using is if you're running an upgrade of Win10, UAC could be causing problems if left default, needing to run any program, drivers, driver sweepers in administrator otherwise UAC will prevent some changes to the system.
If your Win10 was an upgrade from 7/8.1, and you did have UAC turned off in prior os, Win10 would have set UAC on, possibly causing complications with driver sweeper programs etc. UAC on, run everything in administrator which requires to right click programs every time, or just turn UAC off.
Just speculation, need to go to work soon, so just wanted to put my thoughts forward if it may help.