[windows] Can't delete a closed file?

[Rene Zwanenburg]

On Thursday, 9 May 2019 at 12:33:37 UTC, Cym13 wrote:
> On Thursday, 9 May 2019 at 11:31:20 UTC, Cym13 wrote:
>> ...
>
> To dismiss any doubt about AV or other processes coming into 
> play I took the binary and ran it with wine on linux with the 
> exact same end result.
> For reference my windows system is a 64b windows 10.

You could try to use the find handle function in Process Explorer 
to figure out what process has the file open:

https://docs.microsoft.com/en-us/sysinternals/downloads/process-explorer