Strange Habit on FileXfer

Hi all,

i have issues on my PC ( Win7 X32 ) with Spark 2.6.x and File transfer.

When someone ( regardless what version of Spark ) sends ME a File or Screenshot above 1Kb, this happens :

i get the question to accept ( ,…i do so…)

the sender immediatley gets the …was sent … notification

on my PC it takes several seconds, then i get ONE blue bar in the window and that is it…

The file size is ALLWAYS shown wrong !

If i cancel transfer, the file itself IS TRANSFERRED !

tried with some others, but seems only mine does that weirdness

openfire is set to befile transfer relay, yes

i uninstalled and re-installed, yes

I can send files, no problem

anyone any clue where to look next ???