Re: 17 & 20 November Downloads

[Richard Shann]

On Tue, 2021-11-30 at 17:26 +0000, Joe Wilkinson wrote:
>  Hi Richard.
>  the file is gspawn-win32-helper.exe
>  My diagnosis is that when unzipping with Windows Extract, McAfee
> kicks in and finds a problem with the recent versions of the file.
> When I WindowsExtrtacted the Nov30 download (I usually use 7zip as it
> is MUCH faster) I got an error message that I had been protected from
> an (unspecified) file. And denemo provided me with the familiar
> reports about Typesetting. 
>  So I looked in the McAfee "History" and found that it didn't like
> gspawn-win32-helper.exe and had protected me several times from it!
>  
>  The official Windows denemo 2.5 download, treated in the same way
> did not upset McAfee. 
>  So I tried copying gspawn-win32-helper.exe from the working version
> into the bin folder of the faulty Nov30 and it just copied it in - no
> messages. Trying to copy in a second version flagged up that there
> was already a copy in bin. Therefore McAfee had registered it as
> dangerous and simply not copied it over. And it has been deleted from
> several of the other non-typesetting versions.
>  
>  My assumption is that using 7Zip skips past McAfee, BUT when I try
> to run denemo McAfee kicks in and deletes the gspawn-win32-helper as
> it is missing in all the versions that don't typeset. BUT the
> deletion isn't reported. 
>  SO there must be something different in the most recent versions

Indeed there is, because although compiled from the same source code
the compiler is a more recent version and will generate different
sequences of bytes, which give >150Mb of them results in accidental
matches with virus "signatures".
[...]I
> have a work-round if I want a more up to date version than Oct
> 30/Denemo 2.5 - just overwrite gspawn-win32-helper.exe.

yes, or get a better virus checker - I notice that on installing the
operating system from Microsoft directly it does its own checking (it
says) and doesn't suggest installing third party software to check for
viruses...

Richard