I used a program called Process Explorer to see what processes are using/locking files, and I found that the file(s) was not being used or locked by any process.4
Update
I figured out how to change the permissions on the files. It took 17 clicks for each file in Windows terrible interface. :evil:
OK, so the file is locked by another application. So unlock it.
Yes. I was told I need administrator permissions to copy the file, so I clicked "continue" then it copied.
Can you make a copy of the file in Windows Explorer at the same time WinSCP is failing to upload the file?
I tried to change the permissions on the files and found this.
I have no idea how to give myself permissions to read/write the file if the check boxes and ok button is grayed out.
I assume that the file is opened (locked) by some application. Is it?
How's that a plain text file? That's a binary file. What are the files you can upload?
Show us a session log file showing one failed and one successful upload.
The file is plain text but with a de-facto .upload file type.
What "some files"? How do they differ to files that you can upload?
I cannot upload some files, system error code 5, access is denied.
I'm using WinSCP 5.7.6 Windows 8.1 using FTP.
Do I have to send you the files that won't upload?