Hi ElianBiqiku,
I'm Paul and I'm here to help you with your concern.
I will recommend that you do the following before running the Media Creation Tool again.
> Uninstall any 3rd-party antivirus program.
> Use System File Checker to check and fix corrupted system files that may be the cause of the issue. Please refer to the link.
https://support.microsoft.com/en-us/help/402652...
> Disconnect USB devices other than the mouse and keyboard.
> Perform Clean Boot. Refer to this link.
https://support.microsoft.com/en-us/help/929135...
I hope this helps. Feel free to ask back any questions and keep me posted.