On 28 Dec 2018, Paul Hayton said the following...
 
 PH>  AL>  RW> Hmm, did anyone else get the Win32 version of A41 via the FSXnet
 PH>  AL>  RW> filebone?  I got everything else _BUT_ the Win32 release archive
 PH>  AL>  RW> A41.
 PH>  AL> 
 PH>  AL> I haven't received any of the A41 versions yet via fsxNet.
 PH> 
 PH> There is an issue and I seem to be unable to hatch certain versions of
 PH> bboth A40 (which you don't want) and A41 (which you do)

I saw this as well with the CRC errors.  However, I was able to find the
Win32 version of A41 on the website and downloaded it.  Hopefully this
message makes it out :)

--- Mystic BBS v1.12 A41 2018/12/27 (Windows/32)