Zombie file cannot be deleted (access denied & file not found)  

@AndreTen del /f results in "access is denied"

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@xaccell I downloaded Tails, created the USB stick and booted into it. Next, I tried accessing the drive that contains the problem file but it tells me 'authentication required' and asks me for a password for 'administrator'. Problem is, it doesn't like the administrator password - I even used the 'show text' option to verify I didn't have any typos in the password. Do I need to do this during a full moon facing in a specific direction?

TheAncient said:

@AndreTen del /f results in "access is denied"
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@xaccell I downloaded Tails, created the USB stick and booted into it. Next, I tried accessing the drive that contains the problem file but it tells me 'authentication required' and asks me for a password for 'administrator'. Problem is, it doesn't like the administrator password - I even used the 'show text' option to verify I didn't have any typos in the password. Do I need to do this during a full moon facing in a specific direction?

Try this program. Just be careful using it, you can easily do serious damage.

TheAncient said:

When I try to erase the file or change its attributes, I get an “Access Denied” message.

A few days ago, I got "Access is denied" when trying to delete a file. The problem was easily fixed by PowerRun. For details, see this post: OneDrive.bat out of date?

TheAncient said:

Unfortunately, I know nothing about Linux

Fortunately, it is very easy to learn about it.

@W10 Tweaker You linked Revo Uninstaller (I have the Pro version) - Revo uninstalls programs - it is not intended to delete files.

Why not try PowerRun, which is freeware?

@Matthew Wai Tried PowerRun (Documentation, what little there is, sucks big time!) Anyway: If I used it correctly, just like most things I tried, I get a "file not found" error.

Did you run the chkdsk with /r switch?
Use this batch script to give administrators full permission to file you want to delete.

@Try3 When I boot up, I get "Welcome to TAILS" - I'm guessing that means I did boot into TAILS. After that, I clicked on "Applications" in the top left corner. One of those applications is entitled "Files". I click on that and get a file manager that looks somewhat similar to Windows File Explorer. The files listed are the ones on the USB stick. At the bottom of the list it has an entry "+ Other Locations". When I click on that, I get "Computer" (the contents of that look like the USB stick) plus the two drives of my Windows system. One of those drives is the system drive the other is a data drive. If I chose either one of those drives (even the data drive!), it asks me to enter an administrator password.
Attachment 267593
It's getting late and my head hurts from bashing it against the wall so I'll try your Robocopy solution tomorrow.

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@FreeBooter chkdsk doesn't have a /r switch (Takeown does and, yes, I used it)
I already have the take ownership option in my right-click menu so I won't need your batch file.
Thanks anyway!

You did not give full permission to your user account you only taken ownership of the file with this batch script you do both.

If you have HDD drive then execute Chkdsk K: /r command from Command Prompt.