кажется DDU не полностью удаляет
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Перечитайте внимательно то, о чём упоминалось несколькими постами выше.
Судя по всему, Вы пользовались DDU не из "безопасного режима".

Привожу полностью readme-файл этой утилиты (самое важное выделено дополнительно) :
Requirement:
-Windows Vista SP2 up to Windows 10 May 2019 update 1903 (18362.xx) (anything higher is at your own risk)
-NVIDIA, AMD, Intel GPUs
-Microsoft .NET Framework 4.6 or higher

Recommended usage:
-You MUST disconnect your internet or completely block Windows Update when running DDU until you have re-installed your new drivers.
-DDU should be used when having a problem uninstalling / installing a driver or when switching GPU brand.
-DDU should not be used every time you install a new driver unless you know what you are doing.
-The tool can be used in Normal mode but for absolute stability when using DDU, Safemode is always the best.
-If you are using DDU in normal mode, Clean, reboot, clean again, reboot.
-Make a backup or a system restore (but it should normally be pretty safe).
-It is best to exclude the DDU folder completely from any security software to avoid issues.
-If you encounter issues, read the "Issues and solutions.txt"

For a guide , check : http://rev.mail.ru/forums/fredirect....guide-tutorial
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