[Dx4win] LoTW import problems

[N3SL at aol.com]

I noted this 2 weeks ago, but thought perhaps I'd done something  wrong.  
Then, I just did another import of new QSLs from LoTW  (lotwreport.adi) today, 
representing new confirmations during the past 2  weeks.
 
The adi file has 33 confirmations in it.  DX4Win says it successfully  
imported 19.  Those "missing" 14 indeed are in DX4Win, but every one of  them is a 
duplicate QSO now.  My original DX4Win entry is there with the  upload flag 
set, the date set, but Upl Cnf = N.  The second log listing  (obviously created 
by the import process) has the upload flag = N, no date, but  Upl Cnf = Y.  I 
can see no rhyme nor reason in the Qs or the adi  file.
 
Has anyone else seen this, or know what I'm doing wrong or what the problem  
is?  I am using the ADIF import, with "Imported QSO sets Upload Confirmed  
flag" selected.
 
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BTW, LoTW sets Canadian provinces in the <STATE:2> line, and DX4Win  gags on 
these.  Any fix?
 
Thanks in advance,
Steve