Frustrating at times

When I say frustrating, I dont mean because its hard, I because sometime I have a puzzle piece right in place, and then something glitches. like another piece will suddenly disappear, or that piece that I had just placed will move to another place..somehow. the game wouldve been good if that hadnt been a problem for me :(

Biggest Taylor Swift fan! about Pentix Classic - Retro Remake, v1.6.3