DraftSight showing Horizontal Line While opening

I am using free version DraftSight 2018 SP3 When Ever I open DraftSight it show horizontal line in at the 2" below top of the screen. I tried in even in my offer computer but it gave me the same. result. No other software gives me this line. Only in DraftSight. That too only in the beginning while software is loading please help. Thank you.