Press Win + R to open the Run dialog.
Type "C:$WINDOWS.~BT"
Click OK.
In the "C:$WINDOWS.~BT" folder, select all the files and subfolders, and delete them.
If you can't delete them, try from Safe mode.
Start your PC in safe mode in Windows - Microsoft Support: https://support.microsoft.com/en-us/windows/start-your-pc-in-safe-mode-in-windows-92c27cff-db89-8644-1ce4-b3e5e56fe234