You do not have to be worried.
This is a know problem while converting from FAT32 to NTFS.
Can you uninstall/boot/install/boot ?
You can use the same (valid) licence key number 8)
If you search the board (which is becoming bigger and bigger) you will find that information I posted before… Better if you make a search by NTFS and Vlk as the user (in fact, Vlk is our guru ;D).