Windows 10: Can't delete a file after I accidentally removed the extension

I have a file named "Your Name." which used to be "Your Name.mkv" but when I tried to rename it I accidentally deleted the file extension and ever since then I can't remove it, remove it or move it anywhere else.

I tried with admin command line but it says

C:\WINDOWS\system32>del D:\Videos\Animu\Your Name.
Could Not Find D:\Videos\Animu\Your
Could Not Find C:\WINDOWS\system32\Name.

submitted by /u/Ilynav
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:)

 

Remove account

I suggest you backup your personalized files first before removing the account.
To delete an account, follow these steps:

1. Press WIN + X keys and click Command Prompt (Admin) from the menu.
2. Type the following command and press Enter. Replace test with the name of your sister's account. Code:

 

Remove (not change) file extension association

I mistakenly associated a file extension with .pdf. I've found many instructions on how to change (swap) the file associate from one extension to the other, but how do you remove the association completely and return it to "Choose a default" ??

This user was very helpful (How to UNSET/REMOVE a default app for file type).

I took the suggested steps above and it removed the association but didn't return it to "Choose a default" ... this has caused a thumbnail app to work for every file EXCEPT the ones i mistakenly associated, then did the work around on. This is affecting
productivity as I'm working with over 1,000 files (and growing). Since 145 people said they had the same question, please Microsoft, can you answer or solve this problem? Please help. Thanks.

 

Accidentally removed/deleted drivers

Why not just download the driver from geforce.com and reinstall?