Until a few days ago, editing remote files worked perfectly OK, but not any more, with strange messages and error windows showing up:

a) Loading remote file:

When I'm trying to load a remote file with

:e ftp://username@ftp.example.co.uk/test.html, the file loads ok, but the window is minimised to 1 line and another large window opens with the text

Unknown command^M

:messages gives me:

   "NetrwMessage" --No lines in buffer-- 
   "~\AppData\Local\Temp\VIAEB5B.html" [unix] 406L,6899C

I have to close the Unknown command^M-window with :bd!

b) Saving to remote file:

When I try to write back to ftp location with

:w ftp://username@ftp.example.co.uk/test.html

another window opens (again) with

Unknown command^M

and :messages gives me:

"NetrwMessage" --No lines in buffer--
"~\AppData\Local\Temp\VIAEB5B.html" [unix] 406L,6899C
"NetrwMessage" --No lines in buffer--
Error detected while processing function netrw#NetWrite:
line 245:
E517: No buffers were wiped out: 8bw!
"[No Name]" [Modified] 1 line --100%--

My system (at work)

Windows 10 Enterprise Version 1809 OS build 17763.1339 (but have no admin rights on this work PC, and cmd.exe disabled...). I'm on VIM version 8.2 with the same vimrc (which is the same as on my computer at home running Ubuntu where there are no problems).

Please help

I've reinstalled vim8.2 which made no difference. I saw whilst googling that bw is interpreted as buffer wipe, but have no idea where this is coming from, and inspection of netrw.vim line 245 doesn't help me either.

Any help would be appreciated.

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